Etymology: Originated 1730"40 from Latin Latin, Äla (wing).
- (zoology) A wing or winglike structure.
- (anatomy) A winglike anatomy, anatomical process or part, especially of bone.
- (botany) The flattened border of some stems, fruits, and seeds, or one of the two side petals of certain flowers in the pea family.
- (architecture) In ancient Rome, a small room opening into a larger room or courtyard.
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