adv., prep. [ L. ] Approximately; about; commonly abbreviated ca.; -- used especially before dates and numerical measures; as, he was born circa 1650; ca. 50 feet high. Syn. -- ca. [ PJC ]
‖n. [ See Sircar. ] A district, or part of a province. See Sircar. [ India ] [ 1913 Webster ]
a. Of or pertaining to Circassia, in Asia. -- n. A native or inhabitant of Circassia. [ 1913 Webster ]