Corylus n 1: deciduous monoecious nut-bearing shrubs of small trees: hazel; sometimes placed in the subfamily or family Corylaceae [syn: {Corylus}, {genus Corylus}]
Corylus \Corylus\ n. a genus of deciduous monoecious nut-bearing shrubs or small trees: hazel; sometimes placed in the subfamily or family {Corylaceae}. Syn: genus {Corylus}. [WordNet 1.5]