a. and sb. [ad. L. uncīnātus, f. uncīn-us hook. Hence also It. uncinato.]

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  A.  adj. Hooked; furnished with hooks; unciform, uncinated: a. Bot.

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1760.  J. Lee, Introd. Bot., I. xiv. (1765), 36. Uncinate, hooked.

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1830.  Lindley, Nat. Syst. Bot., 58. Flowers in terminal and lateral racemes, covered with uncinate hairs.

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1870.  Hooker, Stud. Flora, 375. Grasswrack;… embryo large, ovoid, with a small uncinate subulate plumule.

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  b.  Anat. and Zool.

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1826.  Kirby & Sp., Entomol., xlvi. IV. 322. Antennæ. Uncinate (Uncinatæ), when their apex is incurved so as to form a kind of hook.

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1852.  Dana, Crust., I. 191. The moveable finger being very strongly uncinate.

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1884.  Coues, N. Amer. Birds, 142. These ‘sacral ribs’ are furthermore distinguished by being devoid of the epipleural or uncinate processes.

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  B.  sb. An uncinate process.

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1891.  Cent. Dict.

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1903.  Proc. Zool. Soc. Lond., 17 March, 274. The third pair [of ribs] always bear uncinates. Ibid. The uncinates are broad and strong.

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