/ Dictionary / Index T teethe: Meaning and Definition of Find definitions for: teethe Pronunciation: (tē), [key] — teethed, teeth•ing. to grow teeth; cut one's teeth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: teethe (Thesaurus) teeth teether Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language