actuary Meaning, Definition & Usage

  1. noun someone versed in the collection and interpretation of numerical data (especially someone who uses statistics to calculate insurance premiums)
    statistician.

WordNet

Ac"tu*a*ry noun
Etymology
L. actuarius copyist, clerk, fr. actus, p. p. of agere to do, act.
Wordforms
plural Actuaries
Definitions
  1. (Law) A registar or clerk; -- used originally in courts of civil law jurisdiction, but in Europe used for a clerk or registar generally.
  2. The computing official of an insurance company; one whose profession it is to calculate for insurance companies the risks and premiums for life, fire, and other insurances.

Webster 1913