/ Dictionary / Index C catkin: Meaning and Definition of Find definitions for: cat•kin Pronunciation: (kat'kin), [key] — n. Bot. a spike of unisexual, apetalous flowers having scaly, usually deciduous bracts, as of a willow or birch. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catkin (Thesaurus) cationic detergent catlike 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