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单词 penna
释义

pennan.

Brit. /ˈpɛnə/, U.S. /ˈpɛnə/
Inflections: Plural pennae.
Origin: A borrowing from Latin. Etymon: Latin penna.
Etymology: < classical Latin penna (see pen n.3). Compare earlier pennaceous adj.
Ornithology.
A pennaceous feather (cf. pennaceous adj.); spec. a contour feather.
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the world > animals > birds > feather > [noun] > other specific types
drivings1682
whisker1752
subaxillary1820
accessory plume1835
flake-feather1837
filoplume1867
penna1871
thread-feather1872
deck-feather1879
streamer1879
racket1887
afterfeather1937
1871 T. H. Huxley Man. Anat. Vertebrated Animals vi. 274 The feathers are of various kinds. Those which exhibit the most complicated structure are called pennæ, or contour feathers, because they lie on the surface and determine the contour of the body.
a1933 J. A. Thomson Biol. for Everyman (1934) I. xx. 532 There are three chief kinds of feathers. First there are the ordinary pennae.., whether covering the body as a whole (contours), or forming the pinions (remiges).
1951 G. R. de Beer Vertebr. Zool. (ed. 2) ix. 98 A penna consists of a stalk (quill or rachis) carrying a vane.
2010 R. L. Kotpal Mod. Textbk. Zool. (ed. 3) iii. xxvii. 347/1 Contour feathers (pennae). These feathers, as their name implies, form the general covering of body.
This is a new entry (OED Third Edition, June 2014; most recently modified version published online June 2022).
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