A Scotch contraction of call.To drive; impel; push; knock: as, to ca' a man ower (over).A word of no definite individual meaning, occurring in the proverbial phrase ca me, ca thee (now also claw me, claw thee), help (or serve) me and I'll help you.n. See coe.n. A Babylonian measure of capacity, identified with the Hebrew bath or ephah.n. In chem., the symbol for calcium.n. In dates, a contraction of Latin circa, about: as, ca. 1300, about 1300.An abbreviation of cases;of centare.n. An abbreviation of Fellow of the Connecticut Academy of Arts and Sciences.