ˈakchəˌwerē, -ksh-, -ri noun
( -es )
Etymology: Late Latin actuarius, from Latin, shorthand writer, writer of accounts, from actum public transaction, record + -arius -ary — more at act
1. obsolete : a clerk or registrar originally of a law court
2. : one trained in mathematics and statistics whose business it is to calculate insurance and annuity premiums, reserves, and dividends