noun
Meaning 1
A down feather which grows continuously and disintegrates, forming fine particles of keratin, which appear as a powder, or "feather dust".
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: biology, natural-sciences, ornithology
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided