apterium
English
editEtymology
editSee Latin aptera, a- + Ancient Greek πτερόν (pterón, “wing”) + -ium.
Pronunciation
edit- Rhymes: -ɪəɹiəm
Noun
editapterium (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
editTranslations
editan area of featherless skin
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