circa

[sur-kuh]

preposition, adverb

about: (used especially in) approximate dates: The Venerable Bede was born circa 673. Abbreviation: ca, ca., c., c, cir., circ.

Origin of circa

1860–65; < Latin: around, about, akin to circus circus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for circa

circa

preposition

(used with a date) at the approximate time ofcirca 1182 bc . Abbreviation: c., ca.

Word Origin for circa

Latin: about; related to Latin circus circle, circus
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

Word Origin and History for circa
prep.

1856, from Latin circa "around, round about, near; in the region of; about the time of," alternative form of circum "round about" (see circum-).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for circa

circa

[sûrkə]

prep.

In approximately; about.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.