Latin, literally meaning about; used to describe various dates that are uncertain; often abbreviated or ca.

adv] approximately; abbreviated c. or ca.; used with dates when the exact date is unknown

or ca (abbr) : Latin for around or approxiamately.

Approximately. If an artwork was made in circa 1800, it was created around 1800.

Within ten years before or after a given date; literally, “around”.

Used only when the exact date is not known. If an article says, "Mark Twain's Hannibal treehouse, constructed around 1840," "ca. 1840" is used. But if an article says, "Charlotte Perkins Gilman's mansion built in the 1890s," "1890s" alone is used; no circa is necessary. The same goes for centuries.

about or approximately, usually used in front of a date or year

In approximately, about. From the Latin word for “about” and often abbreviated as “c.” For example, “c. 1900” means “around the year 1900.

(abbreviated: ca) Refers to an approximate date when actual date is unknown.

(Latin) Approximately

(ca.) About, near, or approximate; usually referring to a date

Approximate date an item was manufactured

Approximate year. "Circa 1964"

A Latin term meaning "about." Usually the c. abbreviation is used. Often used with a composer's dates when their exact birth or death are not known.

about; used before an approximate date; abbreviated as ca.

The description for the approximate date of manufacture. An antique item may be described as Circa 1920 to describe its age or the approximate period which it's design would be associated with.

A word used to define dates that are approximate: for example, "born circa 1900" is used in place of an exact date when more specific information is not available.

About, approximately, around.

This is a term that you may hear mentioned when someone is describing the date of a knife. It simply means around or approximately. For instance, circa 1930 means approximately 1930.

Circa (often abbreviated c., ca., ca or cca. and sometimes italicized to show it is Latin) literally means "about". It is widely used in genealogy and historical writing, when the dates of events are approximately known.

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