<p><strong>Noun</strong></p><ul><li>A vacation or trip taken by a newly married couple (often used attributively).</li><li>A period of harmony at the beginning of a marriage.</li><li>Any period of blissful harmony.</li><li>Any new relationship characterized by an initial period of harmony and goodwill.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) To spend one's honeymoon (usually followed by in or at).</li></ul>