1. Of, belonging to, or characteristic of a snake or serpent; snake-like.
2. Colubrid.

A scaly elongated reptile without any limbs (legs, feet, etc.); some of which are venomous or poisonous: Some serpents, or snakes, are covered with horny-types of epidermal scales.

The skull of snake-serpents has movable quadrate bones and the two halves of the lower jaw are united by an elastic ligament enabling the mouth to be opened very wide.