incubator
US /ˈɪŋ.kjə.beɪ.t̬ɚ/
UK /ˈɪŋ.kjə.beɪ.t̬ɚ/

1.
2.
an apparatus for hatching eggs or for cultivating microorganisms or cells
:
•
The lab uses a specialized incubator to grow bacterial cultures.
•
The farmer bought a new incubator to hatch his chicken eggs.
3.
a place or situation that encourages the development of something
:
•
The university's startup program acts as an incubator for new businesses.
•
The city is creating a tech incubator to foster innovation.