Fil"bert (?), n. [Perh. fr. fill + bread, as filling the bread or husk; cf. G. bartnuss (lit., bread nut) filbert; or perh. named from a St.Philibert, whose day, Aug. 22, fell in the nutting season.] Bot.

The fruit of the Corylus Avellana or hazel. It is an oval nut, containing a kernel that has a mild, farinaceous, oily taste, agreeable to the palate.

⇒ In England filberts are usually large hazelnuts, especially the nuts from selected and cultivated trees. The American hazelnuts are of two other species.

Filbert gall Zool., a gall resembling a filbert in form, growing in clusters on grapevines. It is produced by the larva of a gallfly (Cecidomyia).

 

© Webster 1913.

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