<p><strong>noun</strong></p><ul><li>an apparatus in which eggs are hatched artificially.</li><li>an enclosed apparatus in which prematurely born infants are kept in controlled conditions, as of temperature, for protection and care.</li><li>an apparatus in which media inoculated with microorganisms are cultivated at a constant temperature.</li><li>a person or thing that incubates.</li></ul><p><strong>Business</strong></p><ul><li>an enterprise that provides support services to entrepreneurs refining startup concepts, in a continuing and open-ended relationship that includes access to mentoring, networking, or legal assistance, often in a collaborative workspace.</li></ul><p><strong>Compare</strong></p><ul><li>accelerator (def 9).</li></ul>