<p><strong>Noun</strong></p><ul><li>a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth's surface.</li><li>vapor</li><li>any similar mass, especially of smoke or dust.</li><li>a dim or obscure area in something otherwise clear or transparent.</li><li>a patch or spot differing in color from the surrounding surface.</li><li>anything that obscures or darkens something, or causes gloom, trouble, suspicion, disgrace, etc.</li><li>a great number of insects, birds, etc., flying together: a cloud of locusts obscuring the sun.</li><li>army, crowd, host, throng, multitude, horde, swarm</li><li>Usually the cloud.</li><li>any of several, often proprietary, parts of the internet that allow online processing and storage of documents and data as well as electronic access to software and other resources: More and more software companies are encouraging users to store their work in the cloud.</li></ul><p><strong>Adjective</strong></p><ul><li>of or relating to cloud computing: cloud software; cloud servers.</li><li>relating to or doing business on the internet: Google and other cloud companies.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to overspread or cover with, or as with, a cloud or clouds: The smoke from the fire clouded the sun from view.</li><li>to overshadow; obscure; darken: The hardships of war cloud his childhood memories.</li><li>to make gloomy.</li><li>(of distress, anxiety, etc.) to reveal itself in (a part of one's face): Worry clouded his brow.</li><li>to make obscure or indistinct; confuse: Don't cloud the issue with unnecessary details.</li><li>to place under suspicion, disgrace, etc.</li><li>to variegate with patches of another color.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to grow cloudy; become clouded.</li><li>(of a part of one's face) to reveal one's distress, anxiety, etc.: His brow clouded with anger.</li></ul>