/ Dictionary / Index C cartop: Meaning and Definition of Find definitions for: car•top Pronunciation: (kär'top"), [key] — adj. of a size and shape suitable for carrying on the top of an automobile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cartoon cartopper Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language