'Bifacial' definitions:

Definition of 'bifacial'

(from WordNet)
adjective
Having two faces or fronts; "the Roman Janus is bifacial" [syn: biface, bifacial]

Definition of 'Bifacial'

From: GCIDE
  • Bifacial \Bi*fa"cial\, a. [Pref. bi- + facial.] Having the opposite surfaces alike. [1913 Webster]