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Circa | Define Circa at Dictionary.com

circa / ˈsɜr kə / Show Spelled [sur-k uh] Show IPA preposition, adverb about: (used especially in) approximate dates: The Venerable Bede was born circa 673. Abbreviation: ca, ca., c., c, cir., circ. Origin: 1860–65; Latin: around, about, akin to circus ci...

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