I. ˈmil noun
Etymology: Latin mille thousand
Date: 1721
1. : thousand
found a salinity of 38.4 per mil
2. : a monetary unit formerly used in Cyprus equal to 1/1000 pound
3. : a unit of length equal to 1/1000 inch used especially in measuring thickness (as of plastic films)
4. : a unit of angular measurement equal to 1/6400 of 360 degrees and used especially in artillery
II. noun
or mill
( plural mil or mill )
Etymology: short for million
Date: circa 1942
slang : a million dollars
III. abbreviation
military