<p><strong>Noun</strong></p><ul><li>An enclosure, cage, or pen, usually with bars or wires, in which fowls or other small animals are confined for fattening, transportation, etc.</li><li>Any small or narrow place.</li><li>Slang: A prison.</li><li>Sometimes facetious: A cooperative, especially the cooperative bookstore of a college or university.</li></ul><p><strong>Verb</strong></p><ul><li>(Used with object) To place in or as if in a coop; confine narrowly (often followed by up or in).</li><li>(Used without object) Slang: (Of a police officer) To park and sleep inside one's patrol car while on duty.</li></ul>