保ほ育いく器きほいくきMeanings1nounincubator (for newborns)Refers specifically to a medical device that provides a controlled environment for premature or ill newborns. Not used for business or egg incubators.赤あかちゃんは保ほ育いく器きの中なかで眠ねむっている。The baby is sleeping inside the incubator.