Source : Webster's Revised Unabridged Dictionary (1913)

Chondroma \Chon*dro"ma\, n.; pl. {Chondromata}. [NL., fr. Gr. ?
   cartilage + -oma.]
   A cartilaginous tumor or growth.

Source : WordNet®

chondroma
     n : a common benign tumor of cartilage cells
     [also: {chondromata} (pl)]