Meanings
- A road and neighbourhood in Barnes, borough of Richmond upon Thames, Greater London, England (OS grid ref TQ2277).
Origin
- FrenchCastelnau
- FrenchCastelnau
- EnglishCastelnau
Borrowed from French Castelnau. Apparently named after the 10th Baron of Castelnau and St Croix, who lived in Barnes after fleeing from France.
More words from French
Full word history & related roots →Cite this entry
Castelnau. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Castelnau
“Castelnau.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Castelnau. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “Castelnau,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Castelnau.
Source: Castelnau on Wiktionary, CC BY-SA 4.0.