expansion bolt

expansion bolt noun Building Trades. a bolt inserted into a hole drilled in masonry and mechanically expanded to serve as an anchor for shelves, timbers, etc. Liberaldictionary.com

What It Really Means to Call Someone “Crude”

Can You Translate These Famous Phrases From Emoji?

These Are the Longest Words in English

These Are the Saddest Phrases in English

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for expansion bolt expansion bolt noun a bolt that expands on tightening, enabling it to be secured into an unthreaded hole 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