In anatomy and zoology: Of or pertaining to the venter, in any sense; forming a venter; contained in a venter; having a venter; hollowed out like a venter; bellying; abdominal; uterine: as, ventral walls or cavities: ventral viscera; the ventral surface of the ilium or scapula; ventral fins.Placed ventrad in the body; situated on the side or aspect of the body opposite the dorsal or back aspect; anterior or inferior; hemal.In botany, belonging to the anterior surface of anything: as, a ventral suture, which is the line running down the front of a carpel on the side next the axis: the opposite of dorsaln. In ichthyology, a ventral fin; one of the posterior or pelvic pair of fins, corresponding to the hind limbs of higher vertebrates, and distinguished from the pectorals: so called irrespective of their actual position: as. ventrals thoracic or jugular. Abbreviated V. or verbn. In entomology, one of the segments of the abdomen as seen from beneath, especially in Coleoptera. They are distinguished as first, second, etc., counting backward. See urite, uromere.