| 单词 | racket-tail | 
| 释义 | racket-tailn. 1.  Any of several hummingbirds having tails that bear a pair of rackets (racket n.1 5); esp. (in full  booted racket-tail) the South American hummingbird  Ocreatus underwoodii, which has greenish plumage with, in the male, tufts of white or buff down on the legs. In later use also: any of several green parrots of the genus  Prioniturus, of the Malay Archipelago, which have tails of this kind. Cf. racket-tailed adj. ΘΚΠ the world > animals > birds > perching birds > order Coraciiformes (kingfisher, etc.) > 			[noun]		 > member of family Motmotidae motmot1822 racket-tail1843 sawbill1864 the world > animals > birds > perching birds > order Apodiformes > 			[noun]		 > family Trochilidae (humming-bird) > ocreatus underwoodi (racket-tail) racket-tail1843 1843    Penny Cycl. XXV. 272/2  				The Racket-tails (Platures, Less.). 1861    J. Gould Humming Birds III. Pl. 162  				Spathura Underwoodi, white-booted Racket-tail. 1881    A. Newton in  Encycl. Brit. XII. 359/1  				The lateral feathers [of humming birds] may..suddenly enlarge into a terminal spatulation as in the..‘Racquet-tails’. 1961    O. L. Austin Birds of World 168/2  				The rare and little-known Loddiges' Racquet-tail has only 4 instead of the normal 10 tail feathers. 1970    R. M. de Schauensee Birds S. Amer. 155/1  				Booted Racket-tail. Ocreatus underwoodii... Tail forked, outer feathers very much longer than rest, terminating in bare shaft and purple black racket. 2003    E. C. Dickinson Howard & Moore Compl. Checklist of Birds of World 		(ed. 3)	 273  				We have preferred not to follow Schuchmann..but to restrict the generic name ‘Racquet-tail’ to the genus Prioniturus. ΘΚΠ the world > animals > birds > perching birds > order Apodiformes > 			[noun]		 > family Trochilidae (humming-bird) > ocreatus underwoodi (racket-tail) > tail of racket-tail1851 1851    W. Jardine Contrib. Ornithol. 111  				The beautiful species S[pathura] Underwoodii, with its white boots and racket tail. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < | 
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