ventral

The definition of ventral is the lower part or belly of an animal or plant.

(adjective)

An example of something ventral is a fin on the underside of a fish.

See ventral in Webster's New World College Dictionary

adjective

Anat., Zool. of, near, on, or toward the belly or the side of the body where the belly is located: in humans the front, or anterior, side but in most other animals the lower, or inferior, side
Bot. of or belonging to the inner or lower surface

Origin: Fr < L ventralis < venter, belly < IE base *udero-, belly > L uterus, womb, Ger wanst, paunch

Related Forms:

See ventral in American Heritage Dictionary 4

adjective

Anatomy
a. Relating to or situated on or close to the abdomen; abdominal.
b. Relating to or situated on or close to the anterior aspect of the human body or the lower surface of the body of an animal.
Botany Of or on the lower or inner surface of an organ that faces the axis; adaxial.

noun