noun, feminine/ɑ̃.ɡij/plural: anguilles
anguille is feminine in French.
eel (fish)
Related: anguille commune, anguille d'Europe, y avoir anguille sous roche
From Old French anguille (12th c.), borrowed from Latin anguīlla. The ⟨ll⟩ was originally pronounced /l/ (still found, alongside /ʎ/, until the 17th century).