Source : Webster's Revised Unabridged Dictionary (1913)

Scyphus \Scy"phus\, n.; pl. {Scyphi}. [L., a cup, Gr. ?.]
   1. (Antiq.) A kind of large drinking cup, -- used by Greeks
      and Romans, esp. by poor folk.

   2. (Bot.)
      (a) The cup of a narcissus, or a similar appendage to the
          corolla in other flowers.
      (b) A cup-shaped stem or podetium in lichens. Also called
          {scypha}. See Illust. of {Cladonia pyxidata}, under
          {Lichen}.

Source : WordNet®

scyphus
     n : an ancient Greek drinking cup; two handles and footed base
     [also: {scyphi} (pl)]