water_moccasin
1. [ noun ] (zoology) venomous semiaquatic snake of swamps in southern United States
Synonyms: cottonmouth Agkistrodon_piscivorus cottonmouth_moccasin
Related terms: pit_viper Agkistrodon
2. [ noun ] (zoology) any of numerous North American water snakes inhabiting fresh waters
Related terms: water_snake Natrix
Similar spelling:   water_hemlock