filbert

[ fil-bert ]
/ ˈfɪl bərt /
|

noun

the thick-shelled, edible nut of certain cultivated varieties of hazel, especially of Corylus avellana, of Europe.
a tree or shrub bearing such nuts.

Origin of filbert

1250–1300; Middle English, short for filbert nut, so called because ripe by Aug. 22 (St. Philbert's day)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for filbert

filbert

/ (ˈfɪlbət) /

noun

any of several N temperate shrubs of the genus Corylus, esp C. maxima, that have edible rounded brown nuts: family Corylaceae
Also called: hazelnut, cobnut the nut of any of these shrubs

Word Origin for filbert

C14: named after St Philbert, 7th-century Frankish abbot, because the nuts are ripe around his feast day, Aug 22
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012