| grass snake 
 
 1. harmless European snake with a bright yellow collar;
 common in England
 • Syn:
 ring snake, ringed snake, Natrix natrix
 • Hypernyms:
 water snake
 • Hyponyms:
 viperine grass snake, Natrix maura
 2. any of numerous nonvenomous longitudinally-striped viviparous North American and Central American snakes
 • Syn:
 garter snake
 • Hypernyms:
 colubrid snake, colubrid
 • Hyponyms:
 common garter snake, Thamnophis sirtalis, ribbon snake, Thamnophis sauritus, Western ribbon snake, Thamnophis proximus
 • Member Holonyms:
 Thamnophis, genus Thamnophis
 3. either of two North American chiefly insectivorous snakes that are green in color
 • Syn:
 green snake
 • Hypernyms:
 colubrid snake, colubrid
 • Hyponyms:
 smooth green snake, Opheodrys vernalis, rough green snake, Opheodrys aestivus
 • Member Holonyms:
 Opheodrys, genus Opheodrys
 
 
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