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Gaius

American  
[gey-uhs] / ˈgeɪ əs /

noun

  1. a.d. c110–c180, Roman jurist and writer, especially on civil law.

  2. Caius.


Gaius British  
/ ˈɡaɪəs /

noun

  1. ?110–?180 ad , Roman jurist. His Institutes were later used as the basis for those of Justinian

  2. Gaius Caesar. See Caligula

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The most notorious ancient collector was the Roman magistrate Gaius Verres, the governor of Sicily in the 70s B.C.

From The Wall Street Journal Oct. 24, 2025

And he was succeeded by his grandnephew and adopted son Gaius, known as Caligula, who after a severe illness became insane.

From Textbooks Apr. 19, 2023

For instance, around the onset of the first millennium, Gaius Julius Hyginus, librarian for Roman emperor Augustus, noted that Betelgeuse was a yellow color comparable to Saturn.

From Scientific American Aug. 18, 2022

Her father, Gaius Bolin, was a lawyer and tried to dissuade his daughter from the aggravations of the legal profession.

From Washington Post Feb. 26, 2022

His full name was Gaius Vitellius Reticulus, but the other cohorts called him Vitellius the Ridiculous.

From "The Son of Neptune" by Rick Riordan

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