Also called aviation badge. Military Informal. a badge bearing the image of a spread pair of bird's wings with a distinctive center design, awarded to an aircrewman on completion of certain requirements.
a gold-embroidered green badge in the shape of a spread pair of bird wings worn by junior and cadette Girl Scouts to indicate previous membership in a Brownie troop.
either of the two forelimbs of most birds and of bats, corresponding to the human arms, that are specialized for flight.
either of two corresponding parts in flightless birds, which may be rudimentary, as in certain ratite birds, or adapted for swimming, as in penguins.
one of the paired, thin, lateral extensions of the body wall of an insect, located on the mesothorax and the metathorax, by means of which it flies.