Definition of venational in English:

venational

Pronunciation /-SHənl/

adjective

Biology

See venation

‘Most Paleozoic insects are known only by their wing venation since wings are the least degradable parts of insects, so phylogenetic schemes will rely on venational characters.’
  • ‘They differ from some of the more slender Palaeodictyoptera of the time, which they otherwise resembled, chiefly in venational characters and in possessing a long caudal style.’