/ Dictionary / Index K kos: Meaning and Definition of Find definitions for: kos Pronunciation: (kōs), [key] — pl. kos. a unit of land distance of various lengths from 1 to 3 mi. (1.6 to 4.8 km). Kos Pronunciation: (kos, kôs), [key] — n. one of the Greek Dodecanese Islands in the SE Aegean Sea, off the SW coast of Turkey. 16,650; 111 sq. mi. (287 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kos (Thesaurus) Korzybski Kosciusko Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language