mil

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A unit of length equal to one thousandth (10^-3) of an inch (0.0254 millimeter), used, for example, to specify the diameter of wire or the thickness of materials sold in sheets.
2. n. A milliliter; one cubic centimeter.
3. n. A unit of angular measurement used in artillery and equal to ¹/₆₄₀₀ of a complete revolution.
4. n. Slang A million dollars.

Century Dictionary and Cyclopedia

1. n. An abbreviation of military.
2. n. A unit of length used in measuring the diameter of wires, equal to 0.001 of an inch.
3. n. A copper coin of Hongkong, the thousandth part of a dollar, corresponding to a Chinese ‘cash.’
4. A simplified spelling of mill.

Wiktionary

1. n. An angular mil, a unit of angular measurement equal to 1⁄6400 of a complete circle. At 1000 metres one mil subtends about one metre (0.98 m). Also 1⁄6000 and 1⁄6300 are used in other countries.
2. n. A unit of measurement equal to 1⁄1000 of an inch, usually used for thin objects, such as sheets of plastic.
3. n. a former subdivision (1/1000) of the Maltese lira
4. n. informal Abbreviation of million.

GNU Webster's 1913

1. n. an obsolete monetary unit of Cyprus equal in value to 1/1000 of a pound.
2. n. a unit of length equal to 1/1000 inch, used especially in measuring the thickness of sheets of materials.
3. n. laboratory slang one milliliter; -- used mostly in informal speech.
4. n. a unit of angular size equal to 1/6400 of 360 degrees; -- it is used especially in artillery ranging.
5. n. slang One million dollars.

WordNet 3.0

1. n. an angular unit used in artillery; equal to 1/6400 of a complete revolution
2. n. a Swedish unit of length equivalent to 10 km
3. n. a Cypriot monetary unit equal to one thousandth of a pound
4. n. a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)
5. n. a metric unit of volume equal to one thousandth of a liter