/ Dictionary / Index I involute teeth: Meaning and Definition of Find definitions for: in'volute teeth' Pronunciation: [key] (in gears) teeth having a profile that is the involute of a circle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. involuted involution Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language