a fastening device that allows the thing fastened to turn around freely upon it, esp. to turn in a full circle.

such a device consisting of two parts, each of which turns around independently, as a compound link of a chain, one part of which turns freely in the other by means of a headed pin or the like.

a pivoted support allowing a gun to turn around in a horizontal plane.

a swivel gun.

a device attached to a loom and used as a shuttle to weave extra threads in the production of small figures, esp. dots.

to turn or pivot on or as if on a swivel

He swiveled his chair around.

to fasten by a swivel; furnish with a swivel.

to turn on or if as on a swivel.

verb

hinge , pirouette , pivot , revolve , rotate , swing around , turn , whirl , spin , swing