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two-by-four

[ too-bahy-fawr, -fohr, -buh- ]
/ ˈtu baɪˌfɔr, -ˌfoʊr, -bə- /
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See synonyms for: two-by-four / two-by-fours on Thesaurus.com

adjective

two units thick and four units wide, especially in inches.
Informal. lacking adequate space; cramped: a small, two-by-four room.
Informal. unimportant; insignificant: Theirs was a petty, two-by-four operation.

noun

a timber measuring 2 × 4 inches (5 × 10 centimeters) in cross section, when untrimmed: equivalent to 1 5/8 × 3 5/8 inches (4.5 × 9 centimeters) when trimmed.

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Origin of two-by-four

An Americanism dating back to 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use two-by-four in a sentence

British Dictionary definitions for two-by-four

two-by-four

noun

a length of untrimmed timber with a cross section that measures 2 inches by 4 inches
a trimmed timber joist with a cross section that measures 1 1/2 inches by 3 1/2 inches
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
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