/ Dictionary / Index T three-wheeler: Meaning and Definition of Find definitions for: three-wheel•er Pronunciation: (thrē'whē'lur, -wē'-), [key] — n. a vehicle equipped with three wheels, as a tricycle, a motorcycle with a sidecar, or some small, experimental, or early-model cars. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: three-wheeler (Thesaurus) three-way bulb thremmatology 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