wing
annexe
hand
blade, vane
foil
pennon, pinion
ell
paddle
ala
wing (gloss)
sail (gloss)
wing, arm (gloss)
blade or a paddle of a wheel or a paddlewheel
blade of a turbine or a propeller
mouldboard (gloss)
flyer of a wheel
fin
wing (gl)
sail, blade (gl)
wing, arm (gl)