venation

 
Pronunciation: /vɪˈneɪʃ(ə)n/

noun

[mass noun] Biology
  • the arrangement of veins in a leaf or in an insect’s wing.
  • the system of venous blood vessels in an animal.

Derivatives

venational

adjective

Origin:

mid 17th century: from Latin vena 'vein' + -ation