1. A Cypriot monetary unit equal to one thousandth of a pound.
2. A unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire).
3. An angular unit used in artillery; equal to 1/6400 of a complete revolution.
One thousandth of an inch (.00).
Unit of 1/1000 inch used for measuring thickness of wire

Military

In the Internet’s Domain Name System, the top-level domain that identifies addresses operated by U.S. military organizations. The designation .mil appears at the end of the address. See also DNS (definition 1), domain (definition 3). Compare .com, .edu, .gov, .net, .org.