<p><strong>Noun</strong></p><ul><li>a boss, knob, nailhead, or other protuberance projecting from a surface or part, especially as an ornament.</li><li>any of various buttonlike, usually ornamental objects, mounted on a shank that is passed through an article of clothing to fasten it.</li><li>any of a number of slender, upright members of wood, steel, etc., forming the frame of a wall or partition and covered with plasterwork, siding, etc.</li><li>any of various projecting pins, lugs, or the like, on machines or other implements.</li><li>any of a large number of small projecting lugs embedded in an automobile tire studded tire to improve traction on snowy or icy roads.</li><li>an earring consisting of a small, buttonlike ornament mounted on a metal post designed to pass through a pierced ear lobe.</li><li>the piece to which the fixed end of a hairspring is attached.</li></ul><p><strong>Verb</strong></p><ul><li>to set with or as if with studs, bosses, or the like.</li><li>(of things) to be scattered over the expanse or surface of.</li><li>to furnish with or support by studs.</li></ul><p><strong>Adjective</strong></p><ul><li>ornamented with rivets, nailheads, or other buttonlike, usually metallic objects.</li></ul>