| Noun | 1. |  genus Scorpaena - type genus of the Scorpaenidae: scorpionfishes fish genus - any of various genus of fish family Scorpaenidae, Scorpaenidae - scorpionfishes; rockfishes; lionfishes scorpion fish, scorpionfish, sea scorpion - marine fishes having a tapering body with an armored head and venomous spines plumed scorpionfish, Scorpaena grandicornis - a kind of scorpionfish |