Definition

1. Noun:
   • The nut of the hazel tree, especially the cultivated European hazel (Corylus avellana): A filbert is a specific type of hazelnut, typically characterized by its elongated, oval shape.
   • The tree that bears this nut: A filbert is also the name for the small tree or shrub of the genus Corylus that produces these edible nuts.

Examples of Usage

• Noun (Nut):

  • The recipe calls for a cup of chopped filberts.
  • She cracked open the filbert to eat the kernel inside.

• Noun (Tree):

  • The filbert in the garden produces a good crop every autumn.
  • They planted a row of filberts along the property line.

Advanced Usage

• "Kentish cob": A common name for a specific large variety of cultivated filbert.
  • The Kentish cob is a popular type of filbert grown in England.

Variants and Related Words

• Hazelnut (n): A general term for the nut of any tree of the genus Corylus. "Filbert" is often used interchangeably with "hazelnut," though it can specifically refer to cultivated varieties.

  • Hazelnuts and filberts are essentially the same type of nut.

• Cobnut (n): Another name for a cultivated hazelnut, similar to a filbert.

  • The market sold both filberts and cobnuts.

Synonyms

• Hazelnut: The most common general synonym.
• Cobnut: A synonym, particularly in British English.

Related Idioms

• "To be nuts about something": While not containing "filbert," this idiom uses "nuts" in a figurative sense. A filbert is a literal type of nut.
  • He's nuts about collecting different varieties of nuts, including filberts.

Noun

1. nut of any of several trees of the genus Corylus
2. small nut-bearing tree much grown in Europe