kil ‧ o ‧ me ‧ tre S3 W3 BrE AmE British English , kilometer American English /ˈkɪləˌmiːtə, kɪˈlɒmətə $ kɪˈlɑːmətər/ noun [countable] ( written abbreviation km )
a unit for measuring distance, equal to 1,000 metres
kil ‧ o ‧ me ‧ tre S3 W3 BrE AmE British English , kilometer American English /ˈkɪləˌmiːtə, kɪˈlɒmətə $ kɪˈlɑːmətər/ noun [countable] ( written abbreviation km )
a unit for measuring distance, equal to 1,000 metres
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012