/ Dictionary / Index K kilometer: Meaning and Definition of Find definitions for: kil•o•me•ter Pronunciation: (ki-lom'i-tur, kil'u-mē"-), [key] — n. a unit of length, the common measure of distances equal to 1000 meters, and equivalent to 3280.8 feet or 0.621 mile. Abbr.: km Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kilometer (Thesaurus) kilomegacycle kiloparsec Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language