[swiv-uh
l] 
noun, verb, -eled, -el⋅ing or (especially British) -elled, -el⋅ling.| 1. | a fastening device that allows the thing fastened to turn around freely upon it, esp. to turn in a full circle. |
| 2. | 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. |
| 3. | a pivoted support allowing a gun to turn around in a horizontal plane. |
| 4. | a swivel gun. |
| 5. | a device attached to a loom and used as a shuttle to weave extra threads in the production of small figures, esp. dots. |
| 6. | to turn or pivot on or as if on a swivel: He swiveled his chair around. |
| 7. | to fasten by a swivel; furnish with a swivel. |
| 8. | to turn on or if as on a swivel. |
| swiv·el (swĭv'əl) n.
v. tr.
To turn on or as if on a swivel. [Middle English swyvel.] |