[1] : The Collaborative International Dictionary of English v.0.48

kilometer \kil"ome`ter\, kilometre \kil"ome`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
see also:
kilogram meter 

[2] : WordNet (r) 2.0

kilometer
     n : a metric unit of length equal to 1000 meters or 0.621371
         miles syn: kilometre, km, klick
see also:
kilometre km klick 

[3] : Moby Thesaurus II by Grady Ward, 1.0

67 moby thesaurus words for "kilometer":
   a, g, m, a, angstrom unit, astronomical unit, block, centimeter,
   chain, chiliad, chiliagon, chiliahedron, chiliarch, chiliarchia,
   cubit, decameter, decimeter, dekameter, ell, em, en, fathom,
   finger, foot, footstep, fur, furlong, grand, hand, inch, kilo,
   kilocycle, kilogram, kilohertz, kiloliter, lakh, league,
   light-year, line, link, meter, micron, mil, mile, millennium,
   millepede, milligram, milliliter, myriad, myriameter, nail,
   one hundred thousand, pace, palm, parsec, perch, pica, point, pole,
   rod, step, stride, ten thousand, thou, thousand, wavelength,
   yard

Kilometer >> K Words
Kilometer, definition of term: Kilometer
kilometer_pag1.html