The edible nut of a hazel, having a hard smooth brown shell. Also called filbert.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "hazelnut" in a sentence
"You can taste oatmeal and butter, along with sugar and a bit of salt, with a hint of chocolate and hazelnut from the addition of a bit of Nutella to the batter."
"Unlike almonds and walnuts, the hazelnut is considered a "true nut" since it is a dry, one-seeded fruit in itself."
"Research since then has revealed other yew species generate paclitaxel and taxanes as well, as do some fungi and certain hazelnut varieties."