venation

n. system of veins; pattern of veins

Noun
1. (botany) the arrangement of veins in a leaf
(hypernym) arrangement
(part-holonym) leaf, leafage, foliage
(classification) botany, phytology
2. (zoology) the system of venous blood vessels in an animal
(synonym) venous blood system
(hypernym) system
(part-holonym) circulatory system, cardiovascular system
(classification) zoology, zoological science

(n.)
The arrangement or system of veins, as in the wing of an insect, or in the leaves of a plant. See Illust. in Appendix.
  

(n.)
The act or art of hunting, or the state of being hunted.
  

venation /vi:'neiʃn/
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NERVATURA. VENATURA