hazelnut, hazel, hazelnut tree

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

• American hazel, Corylus americana — nut-bearing shrub of eastern North America
• cobnut, filbert, Corylus avellana, Corylus avellana grandis — small nut-bearing tree much grown in Europe
• beaked hazelnut, Corylus cornuta — hazel of western United States with conspicuous beaklike involucres on the nuts

• nut tree — tree bearing edible nuts

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

• hazelnut, filbert, cobnut, cob — nut of any of several trees of the genus Corylus

• Corylus, genus Corylus — deciduous monoecious nut-bearing shrubs of small trees: hazel; sometimes placed in the subfamily or family Corylaceae