Definition of ventral (adjective)
- toward or on or near the belly (front of a primate or lower surface of a lower animal)
- "the ventral aspect of the human body"; "the liver is somewhat ventral in position"; "ventral (or pelvic) fins correspond to the hind limbs of a quadruped"
- antonym: dorsal
- nearest to or facing toward the axis of an organ or organism
Source: Princeton University Wordnet