ALA
- in biology, any flat winglike projection [n ALAS or ALAE]
- either of the two side petals of a flower in the legume family, as the pea
- (in an ancient Roman house) a small room, as an alcove, opening into a larger room or courtyard
- wing
- winglike part, process, or expansion, as of a bone, shell, seed, or stem
- a wing or winglike part [n ALAE]