incubate /ˈɪŋkjʊbeɪt/verb 2noun 1forms 3 verb2 •To brood, raise, or maintain eggs, organisms, or living tissue through the provision of ideal environmental conditions.The places where the birds are nesting are interesting spots to visit. Both parents incubate and the scene is animated as the birds fly about in all directions. — 1907 •(figurative) To incubate metaphorically; to ponder an idea slowly and deliberately as if in preparation for hatching it.It was a habit he developed, of incubating and maturing his thought upon a subject, and of then rushing into the type-writer with it. — 1908 noun1 •A preparation, or material, that has been incubated. formsincubated · incubating · incubates