wing

An appendage of an animal's (bird, bat, insect) body that enables it to fly.

A fin at the side of a ray or similar fish.

Human arm.

Part of an aircraft that produces the lift for rising into the air.

One of the large pectoral fins of a flying fish.

One of the broad, thin, anterior lobes of the foot of a pteropod, used as an organ in swimming.

Any membranaceous expansion, such as that along the sides of certain stems, or one of the bracts on a dragon fruit, or of a fruit of the kind called samara.

Either of the two side petals of a papilionaceous flower.

A side shoot of a tree or plant; a branch growing up by the side of another.

Passage by flying; flight.