Meanings
comparative more pennaceous · superlative most pennaceous
- biologyhaving the structure of a normal feather
Origin
- Latinpenna“feather”
- Englishpennaceous
From Latin penna (“feather”) + -aceous.
More words from Latin
Full word history & related roots →Cite this entry
pennaceous. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/pennaceous
“pennaceous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pennaceous. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “pennaceous,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/pennaceous.
Source: pennaceous on Wiktionary, CC BY-SA 4.0.