<p><strong>Noun</strong></p><ul><li>the region of the clouds or the upper air; the upper atmosphere of the earth: airplanes in the sky; cloudy skies.</li><li>the heavens or firmament, appearing as a great arch or vault.</li><li>the supernal or celestial heaven: They looked to the sky for help.</li><li>the climate: the sunny skies of Italy.</li><li>Obsolete: a cloud.</li></ul>