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Definition of Scorpionida
1. Noun. True scorpions.
Exact synonyms: Order Scorpionida
Generic synonyms: Animal Order
Group relationships: Arachnida, Class Arachnida
Member holonyms: Scorpion
Generic synonyms: Animal Order
Group relationships: Arachnida, Class Arachnida
Member holonyms: Scorpion
Medical Definition of Scorpionida
1. The scorpions; an order of venomous, predaceous, arachnid arthropods characterised by a distinctly segmented bony abdomen terminating in a sharply recurved stinging spine equipped with a poison gland; causes a severely painful but rarely fatal sting. North American genera include Centruroides, Hadrurus, and Vejovis. Origin: Mod. L. (05 Mar 2000)