The Collaborative International Dictionary
Swivel \Swiv"el\, n. [AS. sw[=i]fan to move quickly, to remove; akin to Icel. sveifla to whirl, shake, sv[=i]fa to ramble, to turn. See Swoop, and cf. Swift a reel, Swift, a.]
(Mech.) A piece, as a ring or hook, attached to another piece by a pin, in such a manner as to permit rotation about the pin as an axis.
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(Mil.) A small piece of ordnance, turning on a point or swivel; -- called also swivel gun.
--Wilhelm.Swivel bridge, a kind of drawbridge that turns round on a vertical axis; a swing bridge.
Swivel hook, a hook connected with the iron strap of a pulley block by a swivel joint, for readily taking the turns out of a tackle.
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.
Usage examples of "swivel joint".
Directly in front of him was the huge radar scanner, and to one side and overhead was a tube mounted on a swivel joint that looked like a small telescope, but which was actually an astrogation prism for taking sights on the celestial bodies in space.