WordReference Random House Unabridged Dictionary of American English © 2026
plan•er
(plā′nər),USA pronunciation n.
- Building[Carpentry.]a power machine for removing the rough or excess surface from a board.
- Metallurgya machine for cutting flat surfaces, having a cutting tool supported by an overhead frame beneath which the work slides back and forth. Cf. shaper (def. 2).
- Printing[Typesetting.]a block of smooth, hard wood for leveling the type in a chase by tapping with a mallet.
- 1375–1425; late Middle English; see plane2, -er1
'planer' also found in these entries (note: many are not synonyms or translations):
elm family
- fixture
- plane
- planer saw
- planer tree
- shaper
- tool
- volplane
- water elm
- way