<p><strong>Noun</strong></p><ul><li>Meteorology</li><li>(plural) altocumulus<ul><li>a cloud of a class characterized by globular masses or rolls in layers or patches, the individual elements being larger and darker than those of cirrocumulus and smaller than those of stratocumulus: of medium altitude, about 8000–20,000 feet (2450–6100 meters).</li></ul></li></ul>