apterium
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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