<p><strong>Noun</strong></p><ul><li>a projecting part, usually rounded, forming the handle of a door, drawer, or the like</li><li>a rounded lump or protuberance on the surface or at the end of something, as a knot on a tree trunk</li><li>Architecture: an ornamental boss, as of carved work</li><li>a rounded hill, mountain, or elevation on a ridge</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to produce a knob on</li><li>to furnish with a knob</li><li>(in stone cutting) to knock off (excess stone) preparatory to dressing; knobble; skiffle</li></ul>