Meanings
- uncountableThe down or light, fluffy feathers on a young bird.
Among the neoptile feathers occur isolated bristle-like filaments, whose origin and function are unclear.
2017 June 28, Hanneke Meijer, The Guardian1 more example
Newly hatched young are naked and pink, but within a few days a short white down known as the neoptile unfolds from the skin (Kniprath & Stier 2008).
2012, Barn Owl Trust, Barn Owl Conservation Handbook: A Comprehensive Guide for Ecologists, Surveyors, Land Managers and Ornithologists
Origin
From neo- + -ptile, literally "new down".
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
neoptile. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/neoptile
“neoptile.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/neoptile. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “neoptile,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/neoptile.
Source: neoptile on Wiktionary, CC BY-SA 4.0.