Definition of "Hazel" :

noun: a shade of brown that is yellowish or reddish; it is a greenish shade of brown when used to describe the color of someone's eyes

noun: any of several shrubs or small trees of the genus Corylus bearing edible nuts enclosed in a leafy husk

noun: the fine-grained wood of a hazelnut tree (genus Corylus) and the hazel tree (Australian genus Pomaderris)

noun: Australian tree grown especially for ornament and its fine-grained wood and bearing edible nuts

adjective: of a light brown or yellowish brown color