Fillet

From Middle French filet, ultimately from Latin fÄ«lum ("thread").

Full definition of fillet

(plural fillets)

(now rare) A headband; a ribbon or other band used to tie the hair up, or keep a headdress in place, or for decoration.

1590, Edmund Spenser, The Faerie Queene, I.iii:In secret shadow, farre from all mens sight:
From her faire head her fillet she vndight,
And laid her stole aside.
Alexander PopeA fillet binds her hair.
1970, John Glassco, Memoirs of Montparnasse, Mew York 2007, p. 42:She was talking of Raymond Duncan, a walking absurdity who dressed in an ancient handwoven Greek costume and wore his hair in long braids reaching to his waist, adding, on ceremonial occasions, a fillet of bay-leaves.

A thin strip of any material, in various technical uses.
(construction) A heavy bead of waterproofing compound or sealant material generally installed at the point where vertical and horizontal surfaces meet.
(engineering, drafting, CAD) A rounded relief or cut at an edge, especially an inside edge, added for a finished appearance and to break sharp edges.
A strip or compact piece of meat or fish from which any bones and skin and feathers have been removed.
(architecture) A thin flat moulding/molding used as separation between larger mouldings.
(architecture) The space between two flutings in a shaft.
(heraldry) An ordinary equally in breadth one quarter of the chief, to the lowest portion of which it corresponds in position.
The thread of a screw.
A border of broad or narrow lines of colour or gilt.
The raised moulding around the muzzle of a gun.
Any scantling smaller than a batten.
(anatomy) A fascia; a band of fibres; applied especially to certain bands of white matter in the brain.
The loins of a horse, beginning at the place where the hinder part of the saddle rests.