<p><strong>Noun</strong></p><ul><li>Grammar</li><li>Plural: syllapses</li><li>The use of a word or expression to perform two syntactic functions, especially to modify two or more words of which at least one does not agree in number, case, or gender, as the use of "are" in "Neither he nor we are willing."</li><li>Compare zeugma</li></ul>