pectĭnātim — Lewis & Short
pectĭnātim, adv.id.,
I in the form of a comb, like the teeth of a comb:
cuniculatim, pectinatim divisa,Plin. 9, 33, 52, § 103:
digitis pectinatim inter se implexis,id. 28, 6, 17, § 59 (cf.:
digitis inter se pectine junctis,Ov. M. 9, 299):
serrati (dentes) pectinatim coëuntes,Plin. 11, 37, 61, § 160; so,
pectinatim stipante se dentium serie,id. 8, 25, 37, § 89; 8, 21, 30, § 75; Vitr 1, 5.