- garter snake, grass snake - any of numerous nonvenomous longitudinally-striped viviparous North American and Central American snakes
--1 is a kind of colubrid snake, colubrid
--1 is a member of Thamnophis, genus Thamnophis
--1 has particulars:common garter snake, Thamnophis sirtalis; ribbon snake, Thamnophis sauritus; Western ribbon snake, Thamnophis proximus