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.
One of a thousand equal parts of a whole.
The person or thing in the thousandth position.
The ordinal numeral form of one thousand; last in order of a series of a thousand; next after the nine hundred and ninety-ninth.