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Added 9 October 2026

quad

/kwɑd/ noun

Latin root: quattuor Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about quad at Wordnik → Where our words come from →

One of four children born at the same time from the same pregnancy.
A muscle of the thigh that extends the leg.
(printing) a block of type without a raised letter; used for spacing between words or sentences.

Origin

Shortened, via clipping or abbreviation, from various English terms. Ultimately related to Latin quattuor (“4”); compare quadri-, quadruple. The typography senses are from the abbreviation quad. for obsolete quadrat; the keyboard command comes from the verb sense.

From Wiktionary, via Kaikki.org (CC BY-SA)

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