actuary|ˈæktjuːərɪ|[ad.L. actuāri-us an amanuensis, a keeper of accounts,f.actu-s act; see -ary.]1.A registrar or clerk, a notary; an officer appointed to write down the acts or proceedings of a court. Still used in the Convocation of the Province of Canterbury.1553FoxA. & M. in Cobbett St.Trials I. 628Requiring also the copies, as well of the articles as of his protestation, of the Actuaries.1658BramhallConsecr.Bishops iii. 30The same publick Notary who was Principall Actuary both at Cardinall Poles Consecration and Arch-Bishop Parkers.1667ChamberlayneSt.Grt.Brit.i. ii. viii. (1743) 73To this Court[of Arches]belongeth an Actuary, a Register, and a Beadle. The office of the Actuary is to attend the court, set down the judges decrees.1717BlountLawDict.,Actuary (actuarius) is the Scribe that registers the Acts and Constitutions of the Convocation.1879Whitaker's Alman. 155,Conv.ofProv.of Cant. (Officers) Vicar-General, Registrar, Actuary.†2.a.The managing secretary or accountant of a public company. Obs.1804W. Taylor inAnn.Rev.II. 238The managers and actuaries of our public companies.b.spec., one whose office it is to manage the deposits in a savings bank.1816E. ChristianPlan for County Provident Bank 19The Actuary, in the name of the Institution, is to receive such Deposits under {pstlg}20 as may be offered, which he shall enter into his Deposit Book.1817J. BowlesProvident Institutions called Savings' Banks (ed.3) 45The actuary shall keep all the accounts of the institution in a regular set of books, and be responsible for the accuracy of every individual account.1919W. ThomsonDict.Banking (ed.2) 13/2Actuary, the chief official in a savings bank.3.An official in an insurance office, whose duty it is to compile statistical tables of mortality, and estimate therefrom the necessary rates of premium, etc.; or one whose profession it is to solve for Insurance Companies or the public, all monetary questions that involve a consideration of the separate or combined effect of Interest and Probability, in connexion with the duration of human life, the average proportion of losses due to fire or other accidents, etc.1849MacaulayHist.Eng.I. 283An actuary of eminent skill, subjected the ancient parochial registers of baptisms, marriages, and burials, to all the tests which the modern improvements in statistical science enabled him to apply.1859Q.Rev.No.211, 75Many actuaries acknowledge the soundness of that basis for life assurance and annuity calculations.