From The Collaborative International Dictionary of English v.0.48 :
Mola \Mo"la\, n. (Zool.) See Sunfish, 1. [1913 Webster]From WordNet (r) 3.0 (2006) :
mola n 1: among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters [syn: ocean sunfish, sunfish, mola, headfish]