Main Entry:

¹swiv·el

Pronunciation:

\ˈswi-vəl\

Function:

noun

Usage:

often attributive

Etymology:

Middle English; akin to Old English swīfan to revolve, Old High German swebōn to roll, heave

Date:

14th century

: a device joining two parts so that one or both can pivot freely (as on a bolt or pin)