Any of a great variety of devices, powered either by electricity or by the user, used to improve strength or physical fitness.

(textile manufacturing) A machine used for carding materials.

plural of virtual machine

An individual weapon for war, especially a mechanical one such as a siege engine or tank. / The military resources of a belligerent country considered as a whole.

(humorous) An imaginary device which removes the flavor from something, particularly food.

plural of rowing machine

An exercise machine whose action resembles that of rowing a boat.

A reciprocating machine tool used to cut mortises and to shape openings.

plural of war machine

plural of Turing machine