Any species of bivalve mollusks of the genus Pecten, and numerous allied genera (family Pectinidæ); a scallop
A vascular pigmented membrane projecting into the vitreous humor within the globe of the eye in birds, and in many reptiles and fishes; also called marsupium
{i} scallop, variety of bivalve shellfish with a fluted shell; comb-like structure located above the eyes of some fowl and reptiles (Zoology)