/ˈpɛktɛn/
Noun, plural pectines
1. A body structure or organ resembling a comb, as the ridged part of the eyelid of reptiles and birds. (freedictionary.com)
2. A body part that resembles a comb; especially : a folded vascular pigmented membrane projecting into the vitreous body in the eye of a bird or reptile. (merriam-webster.com)
3. A scallop of the genus Pecten. (freedictionary.com)
4. A bivalve mollusc. (biology-online.org)