<p><strong>Noun</strong></p><ul><li>A small, hardy horse of the American plains, descended from Spanish stock.</li><li>U.S. Navy Slang: A naval officer who received his commission while still an enlisted man.</li></ul><p><strong>Verb</strong></p><ul><li>(Used without object) To round up wild horses, especially in order to sell them illegally to slaughterhouses.</li></ul>