Definition of ventrally in US English:

ventrally

adverb

Zoology Botany Anatomy
  • See ventral

    • ‘This animal swims to escape predators by repeatedly flexing its body dorsally and ventrally.’
    • ‘In multiple-male matings, males amplex females dorsally, ventrally, and dorsolaterally.’
    • ‘Adult plumage is blue-black or gray dorsally and white ventrally, sometimes with distinctive coloring or plumes on the head.’
    • ‘The skull is now quite flat, and much flatter ventrally than dorsally.’
    • ‘In insects, as in all arthropods, the main nerve cord lies ventrally, rather than dorsally as in vertebrates.’