ventral

adj

1. (not-comparable)Related to the abdomen or stomach.
2. (not-comparable)On the front side of the human body, or the corresponding surface of an animal, usually the lower surface.
3. (not-comparable)On or relating to the sole of the foot or the palmar surface of the hand.
4. (not-comparable)On the lower side of the brain.

noun

1. Any of the enlarged and transversely elongated scales that extend down the underside of a snake's body from the neck to the anal scale.