Zool. and Bot. [f. L. carīnāt- ppl. stem of carīnāre to furnish with a keel (or shell), f. carīna keel: see -ATE3.] trans. To furnish with a carina, keel, or central ridge.
Hence Carinated ppl. a., keeled, ridged; = CARINATE a.; Carinating ppl. a., ? forming a carina; Carination, a keel-like formation, ridging resembling a keel.
1698. J. Petiver, in Phil. Trans., XX. 324. The Stalk is round and carinated.
1880. Watson, in Jrnl. Linn. Soc., XV. No. 84. 228. Two threads whose prominence slightly carinates each whorl.
1788. Gray, in Phil. Trans., LXXIX. 28. Carinated scales must be considered as being, in some measure, a character of venomous Serpents.
1846. Dana, Zooph., 384. The twelve large carinating lamellæ.
1880. Watson, in Jrnl. Linn. Soc., XV. No. 82. 117. Each whorl … projects in an angular carination. Ibid. (1881), ibid. No. 87. 411. The line of the tubercles forms a rather acute carination.
