Top definition
Often misspelt as kilometer.

The kilometre (SI symbol: km) is a unit of length in the metric system, equal to 1000 metres (kilo: being the SI prefix for 1000). It is now the measurement unit used, officially, for expressing distances between geographical places on land, in most of the world.
John was given a speeding ticket last night; according to the police officer, he was travelling 60 kilometres per hour or km/h, over the speed limit.

The Tagus Bridge in Lisbon, Portugal has a central span of 1.013 kilometres or km.
by Roger Miles January 23, 2014
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug