Fillet (?), n. [OE. filet, felet, fr. OF. filet thread, fillet of meat, dim. of fil a thread, fr. L. filum. See Fille a row.] 1. A little band, especially one intended to encircle the hair of the head.[1913 Webster]
A belt her waist, a fillet binds her hair.
2. (Cooking) A piece of lean meat without bone; sometimes, a long strip rolled together and tied.[1913 Webster]
&hand_; A fillet of beef is the under side of the sirlom; also called tenderloin. A fillet of veal or mutton is the fleshy part of the thigh. A fillet of fish is a slice of flat fish without bone. “Fillet of a fenny snake.” Shak.[1913 Webster]
3. A thin strip or ribbon; esp.: (a) A strip of metal from which coins are punched. (b) A strip of card clothing. (c) A thin projecting band or strip.[1913 Webster]
4. (Mach.) A concave filling in of a reëntrant angle where two surfaces meet, forming a rounded corner.[1913 Webster]
5. (Arch.) A narrow flat member; especially, a flat molding separating other moldings; a reglet; also, the space between two flutings in a shaft. See Illust. of Base, and Column.[1913 Webster]
6. (Her.) An ordinary equaling in breadth one fourth of the chief, to the lowest portion of which it corresponds in position.[1913 Webster]
7. (Mech.) The thread of a screw.[1913 Webster]
8. A border of broad or narrow lines of color or gilt.[1913 Webster]
9. The raised molding about the muzzle of a gun.[1913 Webster]
10. Any scantling smaller than a batten.[1913 Webster]
11. (Anat.) A fascia; a band of fibers; applied esp. to certain bands of white matter in the brain.[1913 Webster]
12. (Man.) The loins of a horse, beginning at the place where the hinder part of the saddle rests.[1913 Webster]
Arris fillet. See under Arris.[1913 Webster]
Fillet, v. t. [imp. & p. p. Filleted; p. pr. & vb. n. Filleting.] To bind, furnish, or adorn with a fillet.[1913 Webster]