/ Dictionary / Index T toothbrush: Meaning and Definition of Find definitions for: tooth•brush Pronunciation: (tth'brush"), [key] — n. a small brush with a long handle, for cleaning the teeth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: toothbrush (Thesaurus) tooth ax toothbrushing Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language