noun
1. : any of numerous fishes chiefly of tropical and warm seas that have long pectoral fins suggesting wings, that are capable of leaving the water and moving some distance through the air chiefly by the motion of the tail before they entirely leave the water, and that constitute the family Exocoetidae
2. : butterfly fish 1e ; broadly : any of various related So. American fishes reputed to skim over the surface of the water
3. : a sea robin of the genus Prionotus
4. : flying gurnard