Pronunciation: (in'kyu-bā"tur, ing'-),[key] —n. 1. an apparatus in which eggs are hatched artificially.
2. an enclosed apparatus in which prematurely born infants are kept in controlled conditions, as of temperature, for protection and care.
3. an apparatus in which media inoculated with microorganisms are cultivated at a constant temperature.
4. a person or thing that incubates.