The Collaborative International Dictionary of English v.0.48:

Amphora \Am"pho*ra\, n.; pl. Amophor[ae]. [L., fr. Gr.
   'amforey`s, 'amforey`s, a jar with two handles; 'amfi` +
   forey`s bearer, fe`rein to bear. Cf. Ampul.]
   Among the ancients, a two-handled vessel, tapering at the
   bottom, used for holding wine, oil, etc.
   [1913 Webster]

WordNet (r) 3.0 (2006):

amphora
    n 1: an ancient jar with two handles and a narrow neck; used to
         hold oil or wine