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turnbuckle

American  
[turn-buhk-uhl] / ˈtɜrnˌbʌk əl /

noun

  1. a link or sleeve with a swivel at one end and an internal screw thread at the other, or with an internal screw thread at each end, used as a means of uniting or coupling, and of tightening, two parts, as the ends of two rods.

turnbuckle British  
/ ˈtɜːnˌbʌkəl /

noun

  1. an open mechanical sleeve usually having a swivel at one end and a thread at the other to enable a threaded wire or rope to be tightened

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of turnbuckle

First recorded in 1695–1705; turn + buckle

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.