Act′ū-a-ry, n.

(ăkt′ū-a-rȳ), n. [Lat. actuarius.]

1. (Law.) A registrar or clerk;— a term of the civil law, and used originally in courts of civil law jurisdiction, but in Europe used for a clerk or registrar generally.
2. The manager of a joint-stock company, particularly of an insurance company;—in America, chiefly applied to the manager of a life insurance company.