Venation

n.	1.	The arrangement or system of veins, as in the wing of an insect, or in the leaves of a plant. See Illust. in Appendix.
	1.	The act or art of hunting, or the state of being hunted.

Noun	1.	venation - (botany) the arrangement of veins in a leaf
	2.	venation - (zoology) the system of venous blood vessels in an animal Synonyms: venous blood system

arrangement, botany, foliage, leaf, leafage, phytology