Source : Webster's Revised Unabridged Dictionary (1913)

Medicate \Med"i*cate\, v. t. [imp. & p. p. {Medicated}; p. pr. &
   vb. n. {Medicating}.] [L. medicatus, p. p. of medicare,
   medicari. See {Medicable}.]
   1. To tincture or impregnate with anything medicinal; to
      drug. ``Medicated waters.'' --Arbuthnot.

   2. To treat with medicine.