/ Dictionary / Index K kosha: Meaning and Definition of Find definitions for: ko•sha Pronunciation: (kō'shu), [key] — n. Hinduism. any of the five layers of physical and mental being composing the personal self, Atman being within the innermost layer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Kosciusko kosher Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language