'Venation' definitions:

Definition of 'venation'

noun

(botany) the arrangement of veins in a leaf

noun

(zoology) the system of venous blood vessels in an animal [syn: venation, venous blood system]

From: GCIDE

Venation \Ve*na"tion\, n. [L. vena a vein.] The arrangement or system of veins, as in the wing of an insect, or in the leaves of a plant. See Illust. in Appendix. [1913 Webster]

From: GCIDE

Venation \Ve*na"tion\, n. [L. venatio, fr. venari, p. p. venatus, to hunt. See Venison.] The act or art of hunting, or the state of being hunted. [Obs.] --Sir T. Browne. [1913 Webster]