ppl. a. Nat. Hist. [f. L. sulcātus SULCATE + -ED.] Sulcate.
1694. Phil. Trans., XVIII. 178. The sides of the Astroites are always sulcated, or a little furrowd.
1753. Chambers Cycl., Suppl., s.v. Leaf, Sulcated Leaf, one which has a great number of ridges all round it, with obtuse sinuses.
1768. Pennant, Brit. Zool., I. 39. Their lower part is sulcated lengthways.
1828. Stark, Elem. Nat. Hist., II. 41. The plaits distant, black, transversely sulcated with white.
1897. W. F. Kirby, in Mary Kingsley, W. Africa, 722. All the tibiæ sulcated, front tibiæ with conspicuously open foramina.