D defs.my
Entry 3 senses Webster, 1913

Pecten

· Pec·ten · IPA /ˈpɛktɪn/
01 n. A vascular pigmented membrane projecting into the vitreous humor within the globe of the eye in birds, and in many reptiles and fishes; -- …
  1. 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.(Anat.) Also: marsupium
  2. 2.
    Any species of bivalve mollusks of the genus Pecten, and numerous allied genera (family Pectinidæ); a scallop. See Scallop.(Zool.) See: Scallop
  3. 3.
    The comb of a scorpion. See Comb, 4 (b).(Zool.) See: Comb