from The Century Dictionary.

  • noun A cultivated variety of the common hazelnut, Corylus Avellana. The Turkey filbert is the fruit of C. Colurna. See Corylus.
  • noun The shrub which bears the nut. Also called filbert-tree.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) The fruit of the Corylus Avellana or Corylus maxima, also called the hazel; the hazelnut. It is an oval nut, containing a kernel that has a mild, farinaceous, oily taste, agreeable to the palate.
  • noun (Bot.) The tree bearing the filbert; the hazelnut tree.
  • noun (Zoöl.) a gall resembling a filbert in form, growing in clusters on grapevines. It is produced by the larva of a gallfly (Cecidomyia).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The hazelnut.
  • noun The hazel tree.
  • noun A paintbrush used in oil and acrylic painting with a long ferrule and a curving, tongue-shaped head.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun nut of any of several trees of the genus Corylus
  • noun small nut-bearing tree much grown in Europe


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Old French (nois de) filbert, (nut of) Philbert, after Saint Philibert, (died 684), whose feast day in late August coincides with the ripening of the nut.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Earlier filbert-nut, Philibert-nut (compare Norman French noix de filbert), because they are ripe near St. Philibert’s Day (22 August).



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  • Same as a hazelnut.

    July 25, 2007