apterium
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English
[edit]Etymology
[edit]See Latin aptera, a- + Ancient Greek πτερόν (pterón, “wing”) + -ium.
Pronunciation
[edit]- Rhymes: -ɪəɹiəm
Noun
[edit]apterium (plural apteria)
- (ornithology) An area of bare (featherless) skin on a bird.
- 1918, American Ornithologists' Union, The Auk[1]:
- The two halves of the lower cervical tract are still separated by an apterium 4 mm. wide, as in the young bird, but contour feathers are now present on the chin and upper throat, so that they are united at their upper ends.
Antonyms
[edit]Translations
[edit]an area of featherless skin
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