ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  genus Heterodon - a genus of small colubrid snakes containing the North American hognose snakesreptile genus - a genus of reptiles Colubridae, family Colubridae - nonvenomous snakes; about two-thirds of all living species hognose snake, puff adder, sand viper - harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed |
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