grass_snake has definitions from the field of zoology
1
[ noun ] (zoology) any of numerous nonvenomous longitudinally-striped viviparous North and Central American snakes

Synonyms

garter_snake

2
[ noun ] (zoology) harmless European snake with a bright yellow collar; common in England
3
[ noun ] (zoology) either of two N. American chiefly insectivorous green snakes

Synonyms

green_snake

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