mil 1
/mil/ , n.
1. a unit of length equal to 0.001 of an inch (0.0254 mm), used in measuring the diameter of wires.
2. a military unit of angular measurement equal to the angle subtended by 1 / 6400 of a circumference.
3. (less accurately) the angle subtended by an arc equal to 1 / 1000 of the radius or distance.
4. (used formerly in pharmaceutical prescriptions) a milliliter.
5. a former bronze coin of the mandate of Palestine, the 1000th part of a pound.
[ 1715-25; short for L millesimus thousandth, equiv. to mill ( e ) thousand (see MILE) + -esimus ordinal suffix ]
mil 2
/mil/ , n.
Slang. a million.
[ by shortening ]