The Collaborative International Dictionary of English v.0.48:

Phial \Phi"al\ (f[imac]"al), n. [F. fiole, L. phiala a broad,
   flat, shallow cup or bowl, Gr. fia`lh. cf. Vial.]
   A glass vessel or bottle, especially a small bottle for
   medicines; a vial.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Phial \Phi"al\, v. t. [imp. & p. p. Phialed; p. pr. & vb. n.
   Phialing.]
   To put or keep in, or as in, a phial.
   [1913 Webster]

         Its phial'd wrath may fate exhaust.      --Shenstone.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Vial \Vi"al\ (v[imac]"al), n. [OE. viole, fiole, F. fiole. See
   Phial.]
   A small bottle, usually of glass; a little glass vessel with
   a narrow aperture intended to be closed with a stopper; as, a
   vial of medicine. [Written also phial.]
   [1913 Webster]

         Take thou this vial, being then in bed,
         And this distilled liquor drink thou off. --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

phial
    n 1: a small bottle that contains a drug (especially a sealed
         sterile container for injection by needle) [syn: phial,
         vial, ampule, ampul, ampoule]