<p><strong>Adjective:</strong></p><ul><li>Pertaining to or having the form of an ellipse.</li><li>Pertaining to or marked by grammatical ellipsis.</li><li>Expressed with extreme or excessive economy; relieved of irrelevant matter (e.g., to converse in elliptical sentences).</li><li>Tending to be ambiguous, cryptic, or obscure (e.g., an elliptical prose that is difficult to translate).</li></ul><p><strong>Noun:</strong></p><ul><li>Elliptical galaxy (in Astronomy).</li></ul>