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Definition of Heloderma
1. Noun. Type genus of the Helodermatidae; American venomous lizards.
Exact synonyms: Genus Heloderma
Generic synonyms: Reptile Genus
Group relationships: Family Helodermatidae, Helodermatidae
Member holonyms: Gila Monster, Heloderma Suspectum, Beaded Lizard, Heloderma Horridum, Mexican Beaded Lizard
Generic synonyms: Reptile Genus
Group relationships: Family Helodermatidae, Helodermatidae
Member holonyms: Gila Monster, Heloderma Suspectum, Beaded Lizard, Heloderma Horridum, Mexican Beaded Lizard
Medical Definition of Heloderma
1. The only genus of poisonous lizards, such as the Gila monster, so named because of the tubercular scales which cover their bodies. They are native to Mexico and the southwestern U.S. Origin: G. Helos, nail, + derma, skin (05 Mar 2000)