Breadcrumb Home > Dictionary > Index K Key deer: Meaning and Definition of Find definitions for: Key' deer' Pronunciation: [key] a race of miniature white-tailed deer, native to the Florida Keys, where the small remaining population is kept in preserves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. key club keyed ✖ Related Content Daily Word Quiz: prandial Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language