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. [1913 Webster]
Any species of bivalve mollusks of the genus Pecten, and numerous allied genera (family Pectinidæ); a scallop. See Scallop. [1913 Webster]
The comb of a scorpion. See Comb, 4 (b). [1913 Webster]
, n. (pl. pectens or pectines) Zool.
1 a comblike structure of various kinds in animal bodies.
2 any bivalve mollusc of the genus Pecten. Also called SCALLOP.
Derivative
pectinate adj. pectinated adj. pectination n. (all in sense 1).