Definition of "Mil" :

noun: an angular unit used in artillery; equal to 1/6400 of a complete revolution

noun: a metric unit of volume equal to one thousandth of a liter

noun: a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)

noun: a Swedish unit of length equivalent to 10 km

noun: a Cypriot monetary unit equal to one thousandth of a pound