— actuarial /ak'chooh air"ee euhl/ , actuarian , adj. — actuarially , adv.
/ak"chooh er'ee/ , n. , pl. actuaries .
1. Insurance. a person who computes premium rates, dividends, risks, etc., according to probabilities based on statistical records.
2. (formerly) a registrar or clerk.
[ 1545-55; actuarius shorthand writer, clerk, var. (with u of the action n. actus ACT) of actarius ( act ( a ) deeds, documents + -arius -ARY) ]