/ Dictionary / Index R rent-a-car: Meaning and Definition of Find definitions for: rent-a-car Pronunciation: (rent'u-kär"), [key] — n. a company or service that rents cars, as by the day or week. a car provided by such a company or service. —adj. of or pertaining to such a company or service: rent-a-car rates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rent-a-car (Thesaurus) rent rental Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language