<p><strong>noun</strong></p><ul><li>A support placed at the end of a row of books to hold them upright, usually used in pairs.</li><li>One of two things occurring or located at either end of something else.</li></ul><p><strong>verb</strong></p><ul><li>To occur or be located at the beginning and end of: His term in office was bookended by crises.</li></ul>