ac|tu|ar|y

ac|tu|ar|y «AK chu _EHR ee», noun, plural -ar|ies.

a person whose work is estimating risks, rates, premiums, and other factors, for insurance companies. The probabilities in their calculations are generally based on recorded statistics of previous occurrences.

╂[< Latin āctuārius copyist, account keeper < āctus, -ūs public business < agere do]