1. The fruit of the cultivated hazel.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• flert,
• libert,
• hulbert,
• gilbeert,
• filrt,
• hilbert,
• albert,
• dilbert,
• vilbert,
• gilbert,
• tilbert,
• rilbert,
• fillbert,
• filburt,
• fubbert,
• felbert,
• fulbrert,
• Fulburt,
• Fulberd,
• filbertee

• fillet,
• felber,
• filter,
• filet,
• Filiberto.

The adjective form of the word "filbert" is "filbertine".

The plural of the "filbert" can be the "filberts".

The singular of the "filbert" can be the "filbert".