Incubation

Webster's Dictionary of the English Language

·noun A sleeping in a consecrated place for the purpose of dreaming oracular dreams.

II. Incubation ·noun The development of a disease from its causes, or its period of incubation. (·see below.).

III. Incubation ·noun A sitting on eggs for the purpose of hatching young; a brooding on, or keeping warm, (eggs) to develop the life within, by any process.