Source : Webster's Revised Unabridged Dictionary (1913)

Abstinent \Ab"sti*nent\, a. [F. abstinent, L. abstinens, p. pr.
   of abstinere. See {Abstain}.]
   Refraining from indulgence, especially from the indulgence of
   appetite; abstemious; continent; temperate. --Beau. & Fl.

Abstinent \Ab"sti*nent\, n.
   1. One who abstains.

   2. (Eccl. Hist.) One of a sect who appeared in France and
      Spain in the 3d century.

Source : WordNet®

abstinent
     adj : self-restraining; not indulging an appetite especially for
           food or drink; "not totally abstinent but abstemious"
           [syn: {abstentious}]
     n : a person who refrains from drinking intoxicating beverages
         [syn: {abstainer}, {nondrinker}] [ant: {drinker}]