<p><strong>Verb (used without object):</strong></p><ul><li>to occur; happen; take place.</li><li>to emit or give off waste matter, watery vapor, etc., through the surface, as of the body or of leaves.</li><li>to escape, as moisture or odor, through or as if through pores.</li><li>to be revealed or become known.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to emit or give off (waste matter, watery vapor, an odor, etc.) through the surface, as of the body or of leaves.</li></ul>