in·cu·ba·tor 
/ˈɪŋkjəˌbeɪtɚ/ noun
plural in·cu·ba·tors /ˈɪŋkjəˌbeɪtɚ/ noun [count] 1 : a device that is used to keep eggs warm before they hatch 2 medical : a piece of equipment in which very weak or sick babies are placed for special care and protection after their birth 3 business : an organization or place that helps in the development of new businesses
