1) Avellan 2) Avellanas 3) Avellane 4) Cob 5) Cobnut 6) Filbert 1) Coffee flavoring 2) Edible seed 3) Frangelico flavoring 4) Hazel 5) Hazelnut tree 6) Nut tree 7) Nutella flavor 8) Party-mix morsel 9) Popular coffee flavoring 10) Starbucks flavor 
A hazelnut is the nut of the hazel and is also known as cobnut or filbert nut according to species. A cob is roughly spherical to oval, about 15–25 mm long and 10–15 mm in diameter, with an outer fibrous husk surrounding a smooth shell. A filbert is more elongated, being about twice as long as it is round. The nut falls out of the husk when ri...
• (n.) The nut of the hazel.
(Vegetarian) These nuts are somewhat sweet and are used to add flavor to sweets, salads and main dishes. They come packaged whole or chopped. 
Also called filberts According to a manuscript found in China, from the year 2838 B.C., the hazelnut took its place among the five sacred nourishments God bestowed to human beings. The cultivation of hazelnuts has been going on for over 4500 years. In olden times, the nut was used as a medicine and tonic. Up until 1940, most hazelnuts were impor......
Ha'zel·nut` (hā'z'l*nŭt`) noun [ Anglo-Saxon hæselhnutu .] The nut of the hazel. Shak. 
[n] - any of several shrubs or small trees of the genus Corylus bearing edible nuts enclosed in a leafy husk 2. [n] - nut of any of several trees of the genus Corylus
filbert noun nut of any of several trees of the genus Corylus