D defs.my
Entry 3 senses Webster, 1913

Civilian

/səv-ĭl'-yən/ · Ci·vil·ian · IPA /sɪˈvɪl.jən/
01 n. One skilled in the civil law.
  1. 1.
    One skilled in the civil law.
    “Ancient civilians and writers upon government.” Swift.
  2. 2.
    A student of the civil law at a university or college.
  3. 3.
    One whose pursuits are those of civil life, not military or clerical.