a. and sb. [ad. L. uncīnātus, f. uncīn-us hook. Hence also It. uncinato.]
A. adj. Hooked; furnished with hooks; unciform, uncinated: a. Bot.
1760. J. Lee, Introd. Bot., I. xiv. (1765), 36. Uncinate, hooked.
1830. Lindley, Nat. Syst. Bot., 58. Flowers in terminal and lateral racemes, covered with uncinate hairs.
1870. Hooker, Stud. Flora, 375. Grasswrack; embryo large, ovoid, with a small uncinate subulate plumule.
b. Anat. and Zool.
1826. Kirby & Sp., Entomol., xlvi. IV. 322. Antennæ. Uncinate (Uncinatæ), when their apex is incurved so as to form a kind of hook.
1852. Dana, Crust., I. 191. The moveable finger being very strongly uncinate.
1884. Coues, N. Amer. Birds, 142. These sacral ribs are furthermore distinguished by being devoid of the epipleural or uncinate processes.
B. sb. An uncinate process.
1891. Cent. Dict.
1903. Proc. Zool. Soc. Lond., 17 March, 274. The third pair [of ribs] always bear uncinates. Ibid. The uncinates are broad and strong.