Definition of pectinal in US English:

pectinal

adjective

  • Zoology. Of the nature of or resembling a comb; of or relating to a pecten. Compare "pectinate".

Origin

Mid 17th century; earliest use found in Thomas Browne (1605–1682), physician and author. From classical Latin pectin-, pecten + -al.

Pronunciation

pectinal

/ˈpɛktɪnl/