/ Dictionary / Index C catnip: Meaning and Definition of Find definitions for: cat•nip Pronunciation: (kat'nip), [key] — n. a plant, Nepeta cataria, of the mint family, having egg-shaped leaves containing aromatic oils that are a cat attractant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catnip (Thesaurus) catnapper Cato Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language