Definition of venation in English:



mass nounBiology
  • 1The arrangement of veins in a leaf or in an insect's wing.

    • ‘Leaves have parallel venation, with veins converging at the tip of the leaf.’
    • ‘The medium green colored leaves are long and linear with parallel venation.’
    • ‘Reticulate leaf venation may also provide physiological advantages in forest understories.’
    • ‘They produced several types of foliage all characterized by pinnate leaves with open dichotomous venation.’
    • ‘Most Paleozoic insects are known only by their wing venation since wings are the least degradable parts of insects.’
    1. 1.1 The system of venous blood vessels in an animal.


Mid 17th century: from Latin vena ‘vein’ + -ation.