What is a Filbert?
 
Here is the definition of 'filbert' according to the Oxford English Dictionary, 2nd edition from the on-line version at Northwestern University. In short, I'm a nut. Ain't that the truth?

filbert

filbert fi.lb<e>rt. Forms: <alpha>; 4 philliberd, 6-7 philbert, (7 -ibert), (8 philberd, -bud). <beta>; 5 fel-, 5-6 fyl-, 6-9 filberd(e, (7 -burd, fillberd), 6-9 dial. filbeard(e, (6 fyl-), 6 filberte, (fylbert), 6- 7 filbird(e, (6 fylbyrd). 4- filbert. prob. short for filbert (i.e. Philibert)-nut, dial. Fr. noix de filbert (Moisy Dict. Patois Normand) from being ripe near St. Philibert's day, Aug. 22 (O.S.). Cf. Ger. Lamberts-nuss.

1.

a. The fruit or nut of the cultivated hazel (Corylus avellana).

  • 1292 Britton ii. xxiv. Sect.1 Et as foiles, et as flours (v.r. e a philbers).

  • A. 1400 Pistill of Susan 92 The fyge and pe filbert were fode med so fayre.
  • C. 1440 Promp. Parv. 160 Fylberde, notte, fillum.
  • 1533 Elyot Cast. Helthe (1539) 21 b, Fylberdes and hasyll nuttes..are more stronge in substance than wall nuttes.
  • 1620 Venner Via Recta vii. 127 Filberds are wholsomer then the common Hasell-Nuts.
  • 1712 E. Cooke Voy. S. Sea 70 Something bigger, and more oval than a Filbeard.
  • 1774 Goldsm. Nat. Hist. (1776) IV. 29 The acorn, the philberd, the chesnut, and the wilding.
  • 1846 J. Baxter Libr. Pract. Agric. (ed. 4) I. 264, I grew two hundred weight of filberts..upon fifty-seven trees.

 

b. slang. The head (cf. nut sb.1 7).

  • 1886 H. Baumann Londinismen 54/1 Cracked in the filbert,..dotty.
  • 1936 J. Curtis Gilt Kid xx. 198 Get that into your old filbert.

 

2. The tree bearing the nut; = filbert-tree.

  • 1393 Gower Conf. II. 30 And after Phillis philliberd This tre was cleped in the yerd.
  • C. 1450 Lydg. Compl. Loveres Life 68 The filbert eke, that lowe doth encline Her bowes grene.
  • ? C. 1475 Sqr. lowe Degre 37 The fylbyrdes hangyng to the ground.
  • 1523 Fitzherb. Husb. Sect.140 Fylberdes and walnuttes may be set on the nuttes in a gardeyn.
  • 1616 Surfl. & Markh; Country Farme 341 Filberts..doe grow of smal shoots.
  • 1796 C. Marshall Garden. vi. (1813) 80 Filberds are raised from nuts or suckers.
  • 1858 Glenny Gard. Everyday Bk. 21 Filberts must be planted by the same rules.

3. attrib. and Comb.

a. simple attrib:, as

filbert-grove

filbert-grove,

filbert-hedge

-hedge,

filbert-nut

-nut,

filbert-tree

-tree,

filbert-walk

-walk.

b. similative, as

filbert nails

filbert nails;

filbert-formed

filbert-formed,

filbert-shaped

-shaped adjs. Also,

filbert-mouse

filbert-mouse
, the common dormouse (Muscardinus avellanarius), so called from its fondness for filberts.

`Filbert nails' are often referred to as a beauty, but sometimes regarded as a symptom of consumptive tendencies.

  • A. 1845 Barham Ingol. Leg., Lady Rohesia, A pretty little hand with..*filbert-formed nails.
  • 1552 Huloet, *Filberde groue, coryletum.
  • 1742 Fielding J. Andrews iii. iv, A short Walk, shaded on each side by a *Filbert Hedge.
  • A. 1821 Keats Poems, `I stood tiptoe' 35 A filbert hedge with wild briar overtwined.
  • 1607 Topsell Four-f. Beasts 545 Of the Nut-mouse, Hasell-mouse, or *Filburd-mouse.
  • 1861 Trollope Framley P. I. i. 9 Clear white hands, *filbert nails.
  • 1552 Huloet, *Filberd nutte, abellina.
  • 14.. Nom. in Wr.-Wulcker 715 Hec morus, a *fylberdtre.
  • 1551 Turner Herbal i. (1568) M iij a, The gardyne nutt tree [is] called the fylberde tree.
  • 1751 Phil. Trans. XLVII. 176 The fruit of the nut and filberd-tree will be most numerous.
  • 1879 Miss Jackson Shropsh. Word-bk, `I never sid the filbyard-trees covered ooth lamb-tails [catkins] as they bin this ear' [1879].