Answer: incubator

AnswerCrossword Clue
INCUBATORHospital equipment holding an island?
INCUBATORPlace for a preemie
incubatorAn apparatus used to hatch eggs or grow microorganisms under controlled conditions
incubatorA place, esp. with support staff and equipment, made available at low rent to new small businesses
incubatorAn enclosed apparatus providing a controlled environment for the care and protection of premature or unusually small babies
incubatoran apparatus for hatching eggs by artificial heat