Source : Webster's Revised Unabridged Dictionary (1913)

Propine \Pro*pine"\, v. t. [L. propinare, Gr. ?; ? before + ? to
   drink.]
   1. To pledge; to offer as a toast or a health in the manner
      of drinking, that is, by drinking first and passing the
      cup. [Obs.]

            The lovely sorceress mixed, and to the prince
            Health, peace, and joy propined.      --C. Smart.

   2. Hence, to give in token of friendship. [Obs.]

   3. To give, or deliver; to subject. [Obs.] --Fotherby.

Propine \Pro*pine"\, n.
   1. A pledge. [Obs. or Scot.]

   2. A gift; esp., drink money. [Obs or Scot.]

Propine \Pro"pine\, n. [Propyl + ethine.] (Chem.)
   Same as {Allylene}.