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单词 pileum
释义

pileumn.

Brit. /ˈpʌɪlɪəm/, U.S. /ˈpaɪliəm/
Origin: A borrowing from Latin. Etymons: Latin pīleum, pilleum.
Etymology: < classical Latin pīleum, variant of pilleum (see pileus n.).
Ornithology.
The top of the head of a bird; = cap n.1 10d.
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the world > animals > birds > parts of or bird defined by > [noun] > head > part of
pileum1872
frontlet1874
cap1889
pileus1890
1872 Amer. Naturalist 6 434 Ae. flavirostris a European species... From the two common North American species..it differs in lacking the red pileum.
1890 E. Coues Handbk. Field & Gen. Ornithol. 142 ‘Top of the head’ is a collective term for all the upper surface, from base of bill to nape, and laterally to about the level of the upper border of the eyes; this is the pileum or ‘cap’.
1960 J. Bond Birds W. Indies 139 Bee hummingbird... Male has the pileum and throat fiery red.
2000 Proc. Acad. Nat. Sci. Philadelphia 150 279 Characters varying in clear, if irregular, geographical patterns were colors and patterns of the pileum, [etc.].
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1872
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