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WordReference Random House Learner's Dictionary of American English © 2024ˈtwo-by-ˌfour, adj. [before a noun]- two units thick and four units wide, esp. in inches.
- Informal Termslacking adequate space;
cramped:a small, two-by-four room.
n. [countable] - Buildinga piece of timber measuring 2 by 4 in. (5 × 10 cm) in cross section when untrimmed:A two-by-four is actually equal to 15&sfracdenom8&sfracend by 35&sfracdenom8&sfracend in. (4.5 × 9 cm) when it is trimmed and used in construction.
WordReference Random House Unabridged Dictionary of American English © 2024two-by-four (to̅o̅′bī fôr′, -fōr′, -bə-),USA pronunciation adj. - two units thick and four units wide, esp. in inches.
- Informal Termslacking adequate space;
cramped:a small, two-by-four room. - Informal Termsunimportant;
insignificant:Theirs was a petty, two-by-four operation.
n. - Buildinga timber measuring 2 by 4 in. (5 × 10 cm) in cross section, when untrimmed: equivalent to 15⁄8 by 35⁄8 in. (4½ × 9 cm) when trimmed.
Collins Concise English Dictionary © HarperCollins Publishers:: two-by-four n - 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 inches by 3 inches
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