- Of the abdomen - Of, pertaining to, or situated near, the belly, or ventral
side, of an animal or of one of its parts; hemal; abdominal; as, the
ventral fin of a fish; the ventral root of a spinal nerve; -- opposed
to dorsal. - Of or pertaining to that surface of a carpel, petal, etc.,
which faces toward the center of a flower. - Of or pertaining to the lower side or surface of a
creeping moss or other low flowerless plant. Opposed to dorsal.