/ Dictionary / Index T two-by-four: Meaning and Definition of Find definitions for: two-by-four Pronunciation: (t'bī-fôr", -fōr", -bu-), [key] — adj. two units thick and four units wide, esp. in inches. lacking adequate space; cramped: a small, two-by-four room. unimportant; insignificant: Theirs was a petty, two-by-four operation. —n. a timber measuring 2 by 4 in. (5 × 10 cm) in cross section, when untrimmed: equivalent to 1 by 3 in. (4 × 9 cm) when trimmed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: two-by-four (Thesaurus) two-body problem two cents Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language