Pup′pet.
1. (Turning.) A standard rising vertically from the bed or shears of a lathe and holding the centers on which the work is placed to revolve. In the ordinary lathe the head-stock has also a mandrel and grooved wheel to which motion is imparted by a band. The puppets are also known as head and tail stocks. 2. A disk-valve having a stem and vertical motion to and from its seat.