Definition of filbert in English:



  • 1A cultivated hazel tree that bears edible oval nuts.

    • ‘This super-sorter might be used to sort other crops, such as hazelnuts, also called filberts, and wheat, notes Pearson.’
    • ‘A 1960s ranch calls for a contemporary garden with a sculptural plant, such as a Japanese maple or contorted filbert.’
    • ‘Filberts are easy to grow and very productive.’
    • ‘There are now in England numerous named varieties of both cob and filbert.’
    • ‘Americans, in general, reserve the name hazelnut for their wild species, and call their cultivated nuts, which are almost all descended from European species, filberts.’
    1. 1.1 The nut of the filbert tree.
      Also called cob
      • ‘Place 1/2 cup (125 mL) chopped filberts in well-greased 9-inch (3 L) tube pan.’
      • ‘In olden times the filbert was used as a medicine & a tonic.’
      • ‘A broached brambleberry pie, a glass of wine and frothed tumbler of ale have been left in a disarray of pewter dishes and scattered filberts: untidy by Dutch standards, apart from the sharply ironed tablecloth.’
      • ‘Crushed filberts make a great pie crust without any other ingredients.’
      • ‘Food proteins causing acute reactions in patients are few in number such as peanuts, walnuts, filberts, eggs, fish, crustaceans (shelled joint-legged aquatic animals), cotton seed, kiwi and lastly milk, and wheat (rare in adults).’
  • 2A brush with bristles forming a flattened oval head, used in oil painting.

    • ‘Filberts are one of the most useful brushes one can own, in fact with several different sizes, a painter can do just about anything.’
    • ‘He'd come up with some charming excuse: he'd left his long filbert brush, he couldn't go on without it.’
    • ‘Filberts are a compromise between flat and round brushes, being shaped to a slight curve at the tip to produce soft, tapered strokes.’
    • ‘Just brush the thinned paint on with a small filbert or flat.’
    • ‘Use a small filbert brush to block the main masses of color into the background tree area.’


Middle English fylberd, from Anglo-Norman French philbert, dialect French noix de filbert (so named because it is ripe about 20 August, the feast day of St Philibert).