1. 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. Ray.

2. (Med.)

Defn: The development of a disease from its causes, or its period of incubation. (See below.)

3. A sleeping in a consecrated place for the purpose of dreaming oracular dreams. Tylor. Period of incubation, or Stage of incubation (Med.), the period which elapses between exposure to the causes of a disease and the attack resulting from it; the time of development of the supposed germs or spores.

INCUBATIVE
In"cu*ba*tive, a.

Defn: Of or pertaining to incubation, or to the period of incubation.

INCUBATOR
In"cu*ba`tor, n.

Defn: That which incubates, especially, an apparatus by means of which eggs are hatched by artificial heat.

INCUBATORY
In*cu"ba*to*ry, a.

Defn: Serving for incubation.