Initialism of mano sinistra.

a type of machine used to smooth a mould surface, thus putting a finishing touch on it.

plural of mace-bearer

plural of machine room

plural of machine screw

plural of machine-gunner

A machine which plays recorded (typically instrumental) tracks that can be sung along to with a microphone and with reference to lyrics displayed on a screen.

A lightweight submachine gun, usually capable of being fired with one hand (but sometimes with a second grip at the front of the barrel and then fired like a rifle).

Synonym of answering machine

plural of MAC address