two by four

noun

A length of sawn wood of cross section nominally 2 inches by 4 inches (actual dimensions 1½ × 3½ in modern use), most often employed as structural framing lumber (dimensional lumber).

Meanings

nountwo by four (plural two by fours)

plural two by fours · alternative two-by-four

  1. CanadaUSA length of sawn wood of cross section nominally 2 inches by 4 inches (actual dimensions 1½ × 3½ in modern use), most often employed as structural framing lumber (dimensional lumber).

    Moses stood on the Red Sea shore, smotin' that water with a two by four

    (Can we date this quote?), “Linin' Track”, performed by Lead Belly
    1 more example

    Well, Moses stood on the Red Sea shore, And smote the water with a two by four

    1959, “Mary Don't You Weep”, performed by Nat King Cole
  2. CanadaUSdatedA small, modest building.

    He'll plan a two by four / But not for me.

    1930, George, Ira Gershwin, “But Not for Me”
  3. slangSynonym of Tijuana Bible (“kind of pornographic comic book”).

    […] the movie plot of Superman II, in which Superman and Lois Lane work up to a sexual liaison (which was seen before 1960 only in “two by fours” and similar pornographic comic strips.).

    2008, Barry Schwartz, Abraham Lincoln in the Post-Heroic Era, page 354

    Synonyms: Tijuana Bible

Synonyms & antonyms

nounSynonym of Tijuana Bible (“kind of pornographic comic book”).

Translations

Bulgarian бичме́
  • бичме́ (bičmé)A length of sawn wood 2 inches by 4 inches — see also plank
Finnish kakkosnelonen
  • kakkosnelonenA length of sawn wood 2 inches by 4 inches — see also plank
Spanish cuartón, cuartizo
  • cuartónA length of sawn wood 2 inches by 4 inches — see also plank
  • cuartizoA length of sawn wood 2 inches by 4 inches — see also plank
Cite this entry
APA

two by four. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/two%20by%20four

MLA

“two by four.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/two%20by%20four. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “two by four,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/two%20by%20four.

Source: two by four on Wiktionary, CC BY-SA 4.0.