Pecten

1.

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.

2.

The pubic bone.

3.

Any species of bivalve mollusks of the genus Pecten, and numerous allied genera (family Pectinidae); a scallop.

4.

The comb of a scorpion.