Noun: venation vi'ney-shun
- (botany) the arrangement of veins in a leaf
"The botanist studied the venation pattern to identify the plant species"
- (zoology) the system of venous blood vessels in an animal
"The diagram showed the complete venation of the circulatory system";
- venous blood system
Derived forms: venations
Type of: arrangement, system
Part of: cardiovascular system, circulatory system, leaf
Encyclopedia: Venation