Source : Webster's Revised Unabridged Dictionary (1913)

Phallus \Phal"lus\, n.; pl. {Phalli}. [L., a phallus (in sense
   1), Gr. ?.]
   1. The emblem of the generative power in nature, carried in
      procession in the Bacchic orgies, or worshiped in various
      ways.

   2. (Anat.) The penis or clitoris, or the embryonic or
      primitive organ from which either may be derived.

   3. (Bot.) A genus of fungi which have a fetid and disgusting
      odor; the stinkhorn.

Source : WordNet®

phalli
     See {phallus}