/ Dictionary / Index I incubator: Meaning and Definition of Find definitions for: in•cu•ba•tor Pronunciation: (in'kyu-bā"tur, ing'-), [key] — n. an apparatus in which eggs are hatched artificially. an enclosed apparatus in which prematurely born infants are kept in controlled conditions, as of temperature, for protection and care. an apparatus in which media inoculated with microorganisms are cultivated at a constant temperature. a person or thing that incubates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: incubator (Thesaurus) incubation period incubous Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language