Green snake Meaning, Definition & Usage

  1. noun any of numerous African colubrid snakes
  2. noun either of two North American chiefly insectivorous snakes that are green in color
    grass snake.

WordNet

Definitions
  1. (Zoöl.), one of two harmless American snakes (Cyclophis vernalis, and C. æstivus). They are bright green in color.

Webster 1913