n. 1 (usu. foll. by with) slight knowledge (of a person or thing). 2 the fact or process of being acquainted (our acquaintance lasted a year). 3 a person one knows slightly. make one's acquaintance first meet or introduce oneself to another person. make the acquaintance of come to know. acquaintanceship n.
[ ME f. OF acointance (as ACQUAINT) ]