Source : Webster's Revised Unabridged Dictionary (1913)

Elephantiasis \El`e*phan*ti"a*sis\, n. [L., fr. Gr. ?, from ?,
   ?, an elephant.] (Med.)
   A disease of the skin, in which it become enormously
   thickened, and is rough, hard, and fissured, like an
   elephant's hide.

Source : WordNet®

elephantiasis
     n : hypertrophy of certain body parts (usually legs and
         scrotum); the end state of the disease filariasis