- 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.
- 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.
Origin of dragonfish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018