Swiv'el1, n.
(swiv'l), n. [A-S. swīfan, to move quickly, to revolve, Icel. sveifla, to whirl, shake. Cf. SWIFT.]
Sense 1. (Mech.) A piece fixed to a similar piece, or to any body, by a pin, or otherwise, so as to revolve, or turn freely in any direction; a ring, link, or staple, that turns round on a pin or neck.
Swivel-joint, a joint the two pieces composing which turn round, with respect to each other, on a longitudinal pin or axis, as in a chain to prevent twisting.
Sense 2. (Mil.) A small cannon or piece of artillery, fixed in a swivel or in a socket, or turning on a pivot;—called also swivel-gun.
