Wordnet 3.0
NOUN (1)
1.
marine fishes having a tapering body with an armored head and venomous spines;
[syn: scorpionfish, scorpion fish, sea scorpion]
The Collaborative International Dictionary of English v.0.48:
Sea scorpion \Sea" scor"pi*on\ (Zool.)
(a) A European sculpin (Cottus scorpius) having the head
armed with short spines.
(b) The scorpene.
[1913 Webster]
WordNet (r) 3.0 (2006):
sea scorpion
n 1: marine fishes having a tapering body with an armored head
and venomous spines [syn: scorpionfish, scorpion fish,
sea scorpion]