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).

plural of washing machine

plural of bank machine

plural of cash machine

plural of dictation machine

plural of scrummaging machine

A scrum machine

(rugby) A padded, weighty device against which a pack of rugby football forwards can practice scrummaging and rucking. It is used by players of both rugby league and rugby union.

plural of scrum machine

(gambling, US, Australia, New Zealand) A slot machine used for gambling.