swivel

Definitions:

A fastening so contrived as to allow the thing fastened to turn freely round on its axis; a ring which turns upon a staple; a small cannon which turns on a pivot or staple, and which may be turned any way.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
To turn on a pin or pivot.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (verb) (v.) (verb)
Swiveling.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (participle) (p. pr.) (present participle)
Anything that turns on a headed bolt or pin; something fixed in another body so as to turn round in it; a twisting link in a chain.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
To turn on a swivel, or pivot.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (verb) (v. i.) (verb intransitive)
Something fixed in another body so as to turn round in it: a ring or link that turns round on a pin or neck: a small cannon turning on a swivel.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
Ring or link turning on a pivot; small cannon turning on a pivot.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (noun) (n.) (noun)
That which turns upon a staple; a small piece of ordnance which turns on a pivot.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
Swiveled.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (participle) (p.t. & p.p.) (past tense, past participle)
To turn on a staple or pivot.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (verb, noun) (v. & n.) (verb, noun)

Usage examples:

A swivel chair stood beside it, and across its back hung what appeared to be a suit of clothing.
- My Lady of the North by Randall Parrish
It was a new department head who occupied that swivel chair.
- The Tempering by Charles Neville Buck
Sitters in swivel chairs underneath electric fans hold hopeless the future of the land where men do not desire to be drudges just as did their predecessors who in wide armed lazy seats, beneath punkahs, talked of Filipino indolence.
- The Indolence of the Filipino by Jose Rizal