<p><strong>Noun</strong></p><ul><li>a unit of length equal to 0.001 of an inch (0.0254 millimeters), used in measuring the diameter of wires.</li><li>a military unit of angular measurement equal to the angle subtended by 1/6400 of a circumference.</li><li>(less accurately) the angle subtended by an arc equal to 1/1000 (0.001) of the radius or distance.</li><li>(used formerly in pharmaceutical prescriptions) a milliliter.</li><li>a former bronze coin of the mandate of Palestine, the 1/1000 part of a pound.</li></ul>