<p><strong>Noun</strong></p><ul><li>The male of the deer, antelope, rabbit, hare, sheep, or goat.</li><li>The male of certain other animals, as the shad.</li><li>An impetuous, dashing, or spirited man or youth.</li><li>Disparaging and Offensive: a contemptuous term used to refer to an American Indian male or an African American male.</li><li>Buckskin.</li><li>Bucks: casual oxford shoes made of buckskin, often in white or a neutral color.</li></ul><p><strong>Adjective</strong></p><ul><li>Military: of the lowest of several ranks involving the same principal designation, hence subject to promotion within the rank: buck private; buck sergeant.</li></ul>