hazel

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various shrubs or small trees of the genus Corylus that bear edible nuts enclosed in a leafy husk, especially the American species C. americana or the widely cultivated Eurasian species C. avellana.
• noun A light brown or yellowish brown.

from The Century Dictionary.

• noun The wood of the sweet-gum, Liquidambar Styraciflua: a common use of the word among lumbermen and builders of the eastern United States.
• noun In Australia, either of two small evergreen trees of the buckthorn family, Pomaderris apetala and P. lanigera, yielding excellent wood. See bastard dogwood
• noun cooper's-wood, and Pomaderris.
• noun A soil consisting of a mixture of gravel or sand, clay, and loam.
• noun A plant of the genus Corylus, shrubs or small trees belonging to the natural order Cupuliferæ, or oak family, and giving name to the tribe Coryleæ, to which the hornbeams also belong.
• Made of or belonging to the hazel.
• Of a light-brown color, like the hazelnut.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Consisting of hazels, or of the wood of the hazel; pertaining to, or derived from, the hazel.
• adjective Of a light brown color, like the hazelnut.
• noun (Bot.) A shrub or small tree of the genus Corylus, as the Corylus avellana, bearing a nut containing a kernel of a mild, farinaceous taste; the filbert. The American species are Corylus Americana, which produces the common hazelnut, and Corylus rostrata. See filbert.
• noun A miner's name for freestone.
• noun soil suitable for the hazel; a fertile loam.
• noun (Zoöl.) a European grouse (Bonasa betulina), allied to the American ruffed grouse.
• noun a kind of grub hoe.
• noun See Witch-hazel, and Hamamelis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A tree or shrub of the genus Corylus, bearing edible nuts called hazelnuts or filberts.
• noun The nut of the hazel tree.
• noun The wood of a hazelnut tree.
• noun A greenish-brown colour, the colour of a ripe hazelnut.
• adjective Of a greenish-brown colour. (often used to refer to eye colour)

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• 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
• adjective of a light brown or yellowish brown color
• 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
• noun any of several shrubs or small trees of the genus Corylus bearing edible nuts enclosed in a leafy husk