Definitions

1. adjective

relating to or resembling a comb or comb-like structure

“The pectineal process of the pubic bone forms the attachment for the inguinal ligament.”

2. noun

a comb-like structure or process

“The pectineal line of the liver separates the quadrate and caudate lobes.”

3. noun

a cartilaginous structure in the mouth of some invertebrates, such as mollusks

“The pectineal cartilage supports the radula in some species of snails.”