Source : Webster's Revised Unabridged Dictionary (1913)

Empoison \Em*poi"son\, v. t. [F. empoisonner; pref. em- + F.
   poison. See {Poison}, and cf. {Impoison}.]
   To poison; to impoison. --Shak.

Empoison \Em*poi"son\, n.
   Poison. [Obs.] --Remedy of Love.