<p><strong>Noun:</strong></p><ul><li>A person or thing that marks.</li><li>Something used as a mark or indication, as a bookmark or tombstone.</li><li>A person who records the scores, points, etc., as in a game or contest.</li><li>A counter used in card playing.</li><li>Digital Technology: A navigation pointer or other indicator in a graphical user interface.</li><li>Genetics: Genetic marker.</li><li>Psychology: An object, as a book or topcoat left at a library table, used to establish territorial possession in a public place.</li><li>Linguistics: An element of a construction, as a coordinating conjunction, that is not a part of either immediate constituent.</li><li>An element that indicates the grammatical class or function of a construction.</li><li>A small radio beacon, automatically operated, used for local navigation of vessels.</li><li>Mile-marker.</li><li>A pen designed for making bold, colorful, or indelible marks, as in making signs or identifying objects.</li><li>Slang: A debt, especially a gambling debt.</li><li>A written or signed promise to pay a debt, especially a gambling debt; a promissory note or IOU.</li><li>Commerce: A grade of oil on which prices of other crude oils are based.</li><li>Citizens Band Radio Slang: One's location while driving on a highway, as determined by the nearest milepost.</li></ul>