D defs.my
Entry 2 senses Webster, 1913

filbert

/fĭl'-bẽrt/ · fil·bert · IPA /ˈfɪlbɚt/
01 n. 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 …
  1. 1.
    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.(Bot.)
  2. 2.
    The tree bearing the filbert; the hazelnut tree.(Bot.)
Phrases & compounds
Filbert gall — a gall resembling a filbert in form, growing in clusters on grapevines. It is produced by the larva of a gallfly (Cecidomyia).