vaneEnglish → FrenchOxford English–Frenchvane /BrE veɪn , AmE veɪn / noun 1 ( also weather vane) girouette f 2 (blade of windmill) aile f 3 (on turbine, pump, projectile) ailette f; (of feather) barbe f 4 (of quadrant, compass) pinnule f