apterium
apterium noun: an area of bare (featherless) skin on a bird.
Noun
apterium (plural apteria)
- An area of bare (featherless) skin on a bird.
- 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.1918, American Ornithologists' Union, The Auk
Forms of apterium
| plural | apteria |
|---|
Origin of apterium
From a- + Ancient Greek πτερόν (pterón, “feather”) + -ium. Compare Ancient Greek ἄπτερος (ápteros, “featherless”).
Words that rhyme with apterium
- magisterium
- collyrium
- delirium
- deuterium
- imperium
- meitnerium
- psalterium
- archaebacterium
- bacterium
- cerium
- corynebacterium
- criterium
7 more rhymesFewer rhymes
Questions about apterium
- What does apterium mean?
- Apterium means an area of bare (featherless) skin on a bird.
- What part of speech is apterium?
- Apterium is a noun.
- What is the plural of apterium?
- The plural of apterium is apteria.
Words near apterium in the dictionary
Source and license
Adapted from Wiktionary: apterium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “apterium.” Word.ws, https://word.ws/apterium. Based on Wiktionary, CC BY-SA 4.0.