1. Any of numerous nonvenomous longitudinally-striped viviparous North American and Central American snakes
   "Grass snakes are often encountered in suburban gardens";
   - garter snake
    
2. Harmless European snake with a bright yellow collar; common in England
   "Children often spot grass snakes in garden ponds";
   - ring snake, ringed snake, Natrix natrix
    
3. Either of two North American chiefly insectivorous snakes that are green in colour
   "We almost missed seeing the grass snake in the tall grass";
   - green snake

Derived forms: grass snakes

Type of: colubrid, colubrid snake, water snake

Part of: genus Opheodrys, genus Thamnophis, Opheodrys, Thamnophis

Encyclopedia: Grass snake