Pipe
Pipe 1. (Engl., OFr.) (Ger.: Pfeife), generic term for a tube of wood or other material with or without fingerholes. The term occurs in Engl. and OFr. literature from the early 13th c. on. Pipes are sounded by whistle head, reed, or mouthpiece. A whistle head in its simplest form consists of a sharp edge against which the player directs an air stream that sets the air inside the tube in vibration. Pipes may be either open or stopped; they are said to be stopped if their lower end is closed. In…