1) Of or resembling a snake 2) Snakelike 
like a snake; cunning; of, like or pertaining to snakes
• (a.) Like a snake; cunning; crafty. • (a.) like or related to snakes of the genus Coluber.
Col'u·brine adjective [ Latin colubrinus .] 1. (Zoology) like or related to snakes of the genus Coluber. 2. Like a snake; cunning; crafty. Johnson. 
colubrine 1. Of, belonging to, or characteristic of a snake or serpent; snake-like. 2. Colubrid.
of or resembling a snake; snakelike. · belonging or pertaining to the subfamily Colubrinae, comprising the typical colubrid snakes.