/bat"fish'/ , n. , pl. ( esp. collectively ) batfish , ( esp. referring to two or more kinds or species ) batfishes .
1. any of the flat-bodied, marine fishes of the family Ogcocephalidae, as Ogcocephalus vespertilio, common in the southern Atlantic coastal waters of the U.S.
2. a stingray, Aetobatis californicus, found off the coast of California.
[ 1900-05; BAT 2 + FISH ]