<p><strong>Noun</strong></p><ul><li>a boneless cut or slice of meat or fish, especially the beef tenderloin</li><li>a piece of veal or other meat boned, rolled, and tied for roasting</li><li>a narrow band of ribbon or the like worn around the head, usually as an ornament; headband</li><li>any narrow strip, as wood or metal</li><li>a strip of any material used for binding</li><li>a decorative line impressed on a book cover, usually at the top and bottom of the back (Bookbinding)</li><li>a raised rim or ridge, as a ring on the muzzle of a gun</li><li>a concave strip forming a rounded interior angle in a foundry pattern (Metallurgy)</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to cut or prepare (meat or fish) as a fillet</li><li>to cut fillets from</li><li>to bind or adorn with or as if with a fillet</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to round off (an interior angle) with a fillet</li></ul>