A machine tool for cutting grooves, key seats, or slots; a slotting machine.

prayer wheel

A device used to determine the relative phase shift variations between two collimated beams derived by splitting light from a single source.

(US, Canada) Alternative form of macaroni cheese

plural of machine translation

Ara militaris, a large parrot with mostly green plumage.

(slang) A heavy vehicle used to transfer concrete lane dividers on a roadway.

Alternative form of sex machine

A primate of the species Macaca fascicularis, native to Southeast Asia.

Either of two closely related SE Asian species of macaque, the southern pig-tailed macaque, Macaca nemestrina or the northern pig-tailed macaque, Macaca leonina.