D defs.my
Entry 2 senses Webster, 1913

Precisian

· Pre·ci·sian · IPA /pɹɪˈsɪ.ʒən/
01 n. One who limits, or restrains.
  1. 1.
    One who limits, or restrains.[Obs.]
  2. 2.
    An overprecise person; one rigidly or ceremoniously exact in the observance of rules; a formalist; -- formerly applied to the English Puritans.
    “The most dissolute cavaliers stood aghast at the dissoluteness of the emancipated precisian.” Macaulay.