Robertson screw

noun

A type of screw having a square recess in the head.

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Meanings

nounRobertson screw (plural Robertson screws)

plural Robertson screws

  1. A type of screw having a square recess in the head.

Origin

From Canadian inventor P. L. Robertson (1879-1951).

Full word history & related roots →
Cite this entry
APA

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

MLA

“Robertson screw.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Robertson%20screw. Accessed November 4, 2026.

Chicago

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

Source: Robertson screw on Wiktionary, CC BY-SA 4.0.