diff --git a/gen/test.hoon b/gen/test.hoon
index 95be5afe83..c7ed8baa91 100644
--- a/gen/test.hoon
+++ b/gen/test.hoon
@@ -225,13 +225,13 @@
     ::  doesn't compile anymore?
     (expect-eq (concat `(list (maybe @ud))`[~ [~ 1] ~ [~ 2] ~]) [1 2 ~] "concat")
   ::
-  ++  test-transform
+  ++  test-map
     %^  expect-eq
-      %+  transform
+      %+  map:myb
       [1 2 3 2 ~]
       |=(a/@u ?:(=(2 a) [~ 2] ~))
     [2 2 ~]
-    "transform"
+    "map"
   --
 ++  test-ls
   =,  ls:new-hoon
@@ -251,8 +251,8 @@
   ++  test-size
     (expect-eq (size ['a' 'b' 'c' ~]) 3 "size")
   ::
-  ++  test-transform
-    (expect-eq (transform [1 2 ~] |=(a/@ (add 1 a))) [2 3 ~] "transform")
+  ++  test-map
+    (expect-eq (map:ls [1 2 ~] |=(a/@ (add 1 a))) [2 3 ~] "map")
   ::
   ++  test-reverse
     (expect-eq (reverse [1 2 3 ~]) [3 2 1 ~] "reverse")
@@ -320,17 +320,17 @@
     ~[6 5 3]
     "scanr1"
   ::
-  ++  test-transform-foldl
+  ++  test-map-foldl
     %^  expect-eq
-    (transform-foldl ~[1 2 3] 1 |=({a/@ b/@} [(add a b) (add 1 a)]))
+    (map-foldl ~[1 2 3] 1 |=({a/@ b/@} [(add a b) (add 1 a)]))
     [7 ~[2 3 5]]
-    "transform-foldl"
+    "map-foldl"
   ::
-  ++  test-transform-foldr
+  ++  test-map-foldr
     %^  expect-eq
-    (transform-foldr ~[1 2 3] 1 |=({a/@ b/@} [(add a b) (add 1 a)]))
+    (map-foldr ~[1 2 3] 1 |=({a/@ b/@} [(add a b) (add 1 a)]))
     [7 ~[7 5 2]]
-    "transform-foldr"
+    "map-foldr"
   ::
   ++  test-unfoldr
     %^  expect-eq
@@ -654,50 +654,50 @@
     (from-list [[1 "left"] [2 "2leftright"] [3 "right"] ~])
     "union-with-key"
   ::
-  ++  test-transform
+  ++  test-map
     %^  expect-eq
-      %+  transform
+      %+  map:dct
       three
       crip
     (from-list [[1 'one'] [2 'two'] [3 'three'] ~])
-    "transform"
+    "map"
   ::
-  ++  test-transform-with-key
+  ++  test-map-with-key
     %^  expect-eq
-      %+  transform-with-key
+      %+  map-with-key
       three
       |=({a/@u b/tape} (weld (scow %ud a) b))
     (from-list [[1 "1one"] [2 "2two"] [3 "3three"] ~])
-    "transform-with-key"
+    "map-with-key"
   ::
-  ++  test-transform-fold
+  ++  test-map-fold
     %^  expect-eq
-      %^  transform-fold
+      %^  map-fold
       three
       "Everything: "
       |=  {accumulator/tape value/tape}
       [(weld accumulator value) (weld value "X")]
     :-  "Everything: twoonethree"
       (from-list [[1 "oneX"] [2 "twoX"] [3 "threeX"] ~])
-    "transform-fold"
+    "map-fold"
   ::
-  ++  test-transform-keys
+  ++  test-map-keys
     %^  expect-eq
-      %+  transform-keys
+      %+  map-keys
       three
       |=  a/@u
       (add a 10)
     (from-list [[11 "one"] [12 "two"] [13 "three"] ~])
-    "transform-keys"
+    "map-keys"
   ::
-  ++  test-transform-keys-with
+  ++  test-map-keys-with
     %^  expect-eq
-      %^  transform-keys-with
+      %^  map-keys-with
       three
       |=(a/@u 42)
       weld
     (from-list [[42 "twothreeone"] ~])
-    "transform-keys-with"
+    "map-keys-with"
   ::
   ++  test-fold
     %^  expect-eq
@@ -709,7 +709,7 @@
       ^-  tape
       (weld accumulator value)
     "Everything: twoonethree"
-    "transform-fold"
+    "map-fold"
   ::
   ++  test-fold-with-keys
     %^  expect-eq
@@ -720,7 +720,7 @@
       ^-  tape
       :(weld accumulator (scow %ud key) value)
     "Everything: 2two1one3three"
-    "transform-fold-with-keys"
+    "map-fold-with-keys"
   ::
   ++  test-elems
     %^  expect-eq
@@ -798,25 +798,25 @@
       (from-list [[2 2] [4 4] [5 5] ~])
     "partition"
   ::
-  ++  test-transform-maybe
+  ++  test-map-maybe
     %^  expect-eq
-      %+  transform-maybe
+      %+  map-maybe
       (from-list [[1 1] [2 2] [3 3] [4 4] [5 5] ~])
       |=(a/@u ?:(=(a 3) ~ `a))
     (from-list [[1 1] [2 2] [4 4] [5 5] ~])
-    "transform-maybe"
+    "map-maybe"
   ::
-  ++  test-transform-maybe-with-key
+  ++  test-map-maybe-with-key
     %^  expect-eq
-      %+  transform-maybe-with-key
+      %+  map-maybe-with-key
       (from-list [[1 2] [2 3] [3 4] [4 5] [5 6] ~])
       |=({k/@u v/@u} ?:(=(k 3) ~ `v))
     (from-list [[1 2] [2 3] [4 5] [5 6] ~])
-    "transform-maybe-with-key"
+    "map-maybe-with-key"
   ::
-  ++  test-transform-either
+  ++  test-map-either
     %^  expect-eq
-    %+  transform-either
+    %+  map-either
       (from-list [[1 1] [2 2] [3 3] [4 4] [5 5] ~])
       |=  value/@u
       ?:  =(0 (mod value 2))
@@ -824,11 +824,11 @@
       [%| 1]
     :-  (from-list [[2 "even"] [4 "even"] ~])
       (from-list [[1 1] [3 1] [5 1] ~])
-    "transform-either"
+    "map-either"
   ::
-  ++  test-transform-either-with-key
+  ++  test-map-either-with-key
     %^  expect-eq
-    %+  transform-either-with-key
+    %+  map-either-with-key
       (from-list [[1 1] [2 1] [3 1] [4 1] [5 1] ~])
       |=  {key/@u value/@u}
       ?:  =(0 (mod key 2))
@@ -836,7 +836,7 @@
       [%| 1]
     :-  (from-list [[2 "even"] [4 "even"] ~])
       (from-list [[1 1] [3 1] [5 1] ~])
-    "transform-either"
+    "map-either"
   ::
   ++  test-is-subdict
     %^  expect-eq
diff --git a/lib/new-hoon.hoon b/lib/new-hoon.hoon
index 72129e5a4d..9fb2cd5829 100644
--- a/lib/new-hoon.hoon
+++ b/lib/new-hoon.hoon
@@ -127,8 +127,8 @@
       $(a t.a)
     [u.i.a $(a t.a)]
   ::
-  ++  transform
-    :>    a version of transform that can throw out items.
+  ++  map
+    :>    a version of map that can throw out items.
     :>
     :>  takes a list of items and a function of the type
     :>
@@ -225,11 +225,11 @@
       b
     $(a t.a, b +(b))
   ::
-  :>  #  %transformations
+  :>  #  %mappings
   :>    functions which change a list into another list
   +|
   ::
-  ++  transform
+  ++  map
     :>  applies a gate to each item in the list.
     |*  {a/(list) b/$-(* *)}
     ^-  (list _*b)
@@ -413,8 +413,8 @@
     ?>  ?=(^ rest)
     [(c i.a i.rest) rest]
   ::
-  ++  transform-foldl
-    :>    performs both a ++transform and a ++foldl in one pass.
+  ++  map-foldl
+    :>    performs both a ++map and a ++foldl in one pass.
     :>
     :>  corresponds to {mapAccumL} in haskell.
     |*  {a/(list) b/* c/$-({* *} {* *})}
@@ -425,8 +425,8 @@
     =+  recurse=$(a t.a, b -.d)
     [-.recurse [+.d +.recurse]]
   ::
-  ++  transform-foldr
-    :>    performs both a ++transform and a ++foldr in one pass.
+  ++  map-foldr
+    :>    performs both a ++map and a ++foldr in one pass.
     :>
     :>  corresponds to {mapAccumR} in haskell.
     |*  {a/(list) b/* c/$-({* *} {* *})}
@@ -1117,7 +1117,7 @@
   :>  #  %traversal
   +|
   ::
-  ++  transform
+  ++  map
     :>  applies {fun} to each value in {a}.
     |*  {a/(dict) fun/$-(* *)}
     ^-  (dict _p.-.n.-.a fun)
@@ -1125,7 +1125,7 @@
       ~
     [[p.n.a (fun q.n.a)] $(a l.a) $(a r.a)]
   ::
-  ++  transform-with-key
+  ++  map-with-key
     :>  applies {fun} to each value in {a}.
     |*  {a/(dict) fun/$-({* *} *)}
     ^-  (dict _p.-.n.-.a _*fun)
@@ -1133,7 +1133,7 @@
       ~
     [[p.n.a (fun p.n.a q.n.a)] $(a l.a) $(a r.a)]
   ::
-  ++  transform-fold
+  ++  map-fold
     :>    performs a fold on all the values in {a}.
     :>
     :>  lists have an order, but dicts are treaps. this means there isn't a
@@ -1152,23 +1152,23 @@
     =+  f=$(a r.a, b -.e)
     [-.f [n.a +.e +.f]]
   ::
-  ++  transform-keys
+  ++  map-keys
     :>  applies {fun} to all keys.
     ::  todo: the haskell version specifies that the "greatest" original key
     ::  wins in case of duplicates. this is currently unhandled. maybe i just
     ::  shouldn't have this gate.
     |*  {a/(dict) fun/$-(* *)}
     %-  from-list
-    %+  transform:ls  (to-list a)
+    %+  map:ls  (to-list a)
     |=  item/_n.-.a
     [(fun p.item) q.item]
   ::
-  ++  transform-keys-with
+  ++  map-keys-with
     :>  applies {fun} to all keys, creating a new value with {combine} on dupes.
     |*  {a/(dict) fun/$-(* *) combine/$-({* *} *)}
     ^-  (dict _*fun _q.+.n.-.a)
     =/  new-list
-      %+  transform:ls  (to-list a)
+      %+  map:ls  (to-list a)
       |=  item/_n.-.a
       [(fun p.item) q.item]
     %^  foldl:ls  new-list
@@ -1348,15 +1348,15 @@
   ::  i'm going to ignore all the Antitone functions; they don't seem to be
   ::  useful without ordering on the dict.
   ::
-  ++  transform-maybe
-    :>  a version of transform that can throw out items.
+  ++  map-maybe
+    :>  a version of map that can throw out items.
     |*  {a/(dict) fun/$-(* (maybe))}
-    %+  transform-maybe-with-key  a
+    %+  map-maybe-with-key  a
     |=  {key/* value/_q.+.n.-.a}
     (fun value)
   ::
-  ++  transform-maybe-with-key
-    :>  a version of transform that can throw out items.
+  ++  map-maybe-with-key
+    :>  a version of map that can throw out items.
     |*  {a/(dict) fun/$-({* *} (maybe))}
     ^-  (dict _p.-.n.-.a _+:*fun)
     ?~  a  ~
@@ -1367,14 +1367,14 @@
       (pop-top a)
     [[p.n.a +.res] $(a l.a) $(a r.a)]
   ::
-  ++  transform-either
+  ++  map-either
     :>  splits the dict in two on a gate that returns an either.
     |*  {a/(dict) fun/$-(* (either))}
-    %+  transform-either-with-key  a
+    %+  map-either-with-key  a
     |=  {key/* value/_q.+.n.-.a}
     (fun value)
   ::
-  ++  transform-either-with-key
+  ++  map-either-with-key
     :>  splits the dict in two on a gate that returns an either.
     |*  {a/(dict) fun/$-({* *} (either))}
     |-