KLICK
kilometer, kilometre, km, klick
(noun) a metric unit of length equal to 1000 meters (or 0.621371 miles)
Source: WordNet® 3.1
Etymology 1
Noun
klick (plural klicks)
(slang, military) A kilometer.
(slang, usually, in the plural) Kilometres per hour.
Usage notes
Though kilometers are not commonly used to measure distance in the USA, klick is commonly used by the US & UK military, which use the metric system almost exclusively in order to facilitate communication with allied forces. (In other English-speaking countries, civilians often say "k" or "k.m." instead.)
Synonyms
• (military slang: kilometer): click
Etymology 2
Noun
klick (plural klicks)
Alternative spelling of click
Anagrams
• L-kick
Source: Wiktionary
Klick, n. & v.
Definition: See Click.
Source: Webster’s Unabridged Dictionary 1913 Edition