/drag"euhn fish'/ , n. , pl. ( esp. collectively ) dragonfish , ( esp. referring to two or more kinds or species ) dragonfishes .
1. any marine fish of the family Bathydraconidae, of Antarctic seas, having an elongated body and flattened head and being biochemically adapted to extremely low temperatures.
2. Also called seamoth . any fish of the family Pegasidae, of tropical Indo-Pacific waters, having armor of bony rings and large, horizontal, fanlike pectoral fins.
[ 1685-95; DRAGON + FISH ]