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crossbolt lock

American

[kraws-bohlt, kros-] / ˈkrɔsˌboʊlt, ˈkrɒs- /

noun

a lock controlling two bolts bolt moving in opposite directions, as to the top and bottom of a doorframe.

Other Word Forms

crossbolted adjective

Etymology

Origin of crossbolt lock

cross- + bolt ¹

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.