/ Dictionary / Index K keester: Meaning and Definition of Find definitions for: kees•ter Pronunciation: (kē'stur), [key] — n. Slang. keister. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Keesler Air Force Base keet Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language