/ Dictionary / Index J jointer plane: Meaning and Definition of Find definitions for: joint'er plane" Pronunciation: [key] — Carpentry. Carpentry. a plane for truing the edges of boards, planing large surfaces, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jointer joint family Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language