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Definition of planer

planer

/ˈpleɪ.nər/
pla · ner

Plural:planers
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planer Lexical Profile

planer Game Scores & Validity

• noun

1

A power machine or hand tool used to smooth, shape, or reduce the thickness of wood or metal surfaces to achieve a uniform finish.

Example

"The carpenter carefully fed the rough oak boards through the thickness planer to ensure they were exactly three-quarters of an inch thick."

Synonyms
View all synonyms for planer

Word Nuance & Usage

The word 'planer' is frequently misspelled or confused with 'planner' (a person or book that organizes schedules). In woodworking, a planer is also distinct from a jointer; a planer reduces board thickness to a uniform dimension, whereas a jointer flattens a single face or straightens an edge.

• Rhymes for planer

Word Origin & Etymology

Derived from the verb 'plane' (to smooth or level), which originates from Old French 'planer' and ultimately from Latin 'planare' (to make level), combined with the English agent suffix '-er'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Planer. In Wordmom Dictionary. Retrieved Oct 18, 2026, from https://wordmom.com/dictionary/planer
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