<p><strong>Noun</strong></p><ul><li>a finback or rorqual.</li><li>a wild or semiwild hog with a ridgelike back, common in the southern U.S.</li><li>a sharp narrow ridge or range of hills.</li></ul><p><strong>Adjective</strong></p><ul><li>Also razor-backed.</li><li>having a sharp ridge along the back.</li></ul>