The Collaborative International Dictionary of English v.0.48:
Kilometer \Kil"o*me`ter\, Kilometre \Kil"o*me`tre\, n. [F. kilometre. See Kilogram, and Meter.] A measure of length, being a thousand meters. It is equal to 3,280.84 feet, or 0.62137119 of a mile. [1913 Webster]WordNet (r) 3.0 (2006):
kilometre n 1: a metric unit of length equal to 1000 meters (or 0.621371 miles) [syn: kilometer, kilometre, km, klick]