2 definitions found From WordNet (r) 2.0 [wn]: hazelnut noun 1: any of several shrubs or small trees of the genus Corylus bearing edible nuts enclosed in a leafy husk [syn: {hazel}, {hazelnut tree}] 2: nut of any of several trees of the genus Corylus [syn: {filbert}, {cobnut}, {cob}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Hazelnut \Ha"zel*nut'\ (h[=a]"z'l*n[u^]t'), noun [AS. h[ae]selhnutu.] The nut of the hazel. --Shak.

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