(music) A form of unaccompanied, often homophonic, vocal composition usually for a few voices or a small choir

Alternative spelling of part song

(idiomatic) An insult or barbed comment issued as the speaker departs or the conversation comes to an end.

plural of nonmoving part

In a piece of machinery with multiple parts, a part that is not powered to move.

plural of moving part

Part of a machine that is powered to move. / (figuratively, chiefly in the plural) One of the variables or components in a complex situation.

plural of mouth-part

Alternative spelling of mouthpart

plural of spare part