The Collaborative International Dictionary of English v.0.48:

mil \mil\ n. [by contraction from million.]
   One million dollars; as, his new house cost over a mil.
   [slang]
   [PJC]

The Collaborative International Dictionary of English v.0.48:

mil \mil\ n.
   1. an obsolete monetary unit of Cyprus equal in value to
      [frac1x1000] of a pound.
      [WordNet 1.5]

   2. a unit of length equal to [frac1x1000] inch, used
      especially in measuring the thickness of sheets of
      materials.
      [WordNet 1.5]

   3. one milliliter; -- used mostly in informal speech.
      [laboratory slang]

   Syn: milliliter, millilitre, ml, cubic centimeter, cubic
        centimetre, cc.
        [WordNet 1.5]

   4. a unit of angular size equal to [frac1x6400] of 360
      degrees; -- it is used especially in artillery ranging.

   Syn: mil.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

mil
    n 1: a Cypriot monetary unit equal to one thousandth of a pound
    2: a Swedish unit of length equivalent to 10 km [syn: mile,
       mil, Swedish mile]
    3: a unit of length equal to one thousandth of an inch; used to
       specify thickness (e.g., of sheets or wire)
    4: a metric unit of volume equal to one thousandth of a liter
       [syn: milliliter, millilitre, mil, ml, cubic
       centimeter, cubic centimetre, cc]
    5: an angular unit used in artillery; equal to 1/6400 of a
       complete revolution

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

MIL
       Matrox Imaging Library


The Free On-line Dictionary of Computing (30 December 2018):

mil

    The top-level domain for entities affiliated
   with US armed forces.

   (1999-01-26)