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coach screw

American  

noun

  1. lag screw.


coach screw British  

noun

  1. a large screw with a square head used in timber work in buildings, etc

"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 coach screw

First recorded in 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Did your school’s football coach screw up and play a wide receiver that was academically ineligible?

From Seattle Times