Webster’s Revised Unabridged Dictionary · 1913
Pectinate
Pec′ti·na′te, Pec′ti·na′ted (·nā′tĕd), a. [L. pectinatus, p. pr. of pectinare to comb, from pecten, -inis, a comb; cf. Gr. πέκειν to comb, AS. feax hair, OHG. fahs, E. paxwax.] 1. Resembling the teeth of a comb.
2. (Nat. Hist.) Having very narrow, close divisions, in arrangement and regularity resembling those of a comb; comblike; as, a pectinate leaf; pectinated muscles. See Illust. (e) of Antennæ.
3. Interlaced, like two combs. [R.] "Our fingers pectinated, or shut together." Sir T. Browne.
Pectinate claw (Zoöl.), a claw having a serrate edge, found in some birds, and supposed to be used in cleaning the feathers.