Definition of fillet

• n. - A little band, especially one intended to encircle the hair of the head.
• n. - A piece of lean meat without bone; sometimes, a long strip rolled together and tied.
• n. - 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.
• n. - A concave filling in of a reentrant angle where two surfaces meet, forming a rounded corner.
• n. - 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.
• n. - An ordinary equaling in breadth one fourth of the chief, to the lowest portion of which it corresponds in position.
• n. - The thread of a screw.
• n. - A border of broad or narrow lines of color or gilt.
• n. - The raised molding about the muzzle of a gun.
• n. - Any scantling smaller than a batten.
• n. - A fascia; a band of fibers; applied esp. to certain bands of white matter in the brain.
• n. - The loins of a horse, beginning at the place where the hinder part of the saddle rests.
• v. t. - To bind, furnish, or adorn with a fillet.