In″gress (?), n. [L. ingressus, fr. ingredi. See Ingredient.]
1. The act of entering; entrance; as, the ingress of air into the lungs.
2. Power or liberty of entrance or access; means of entering; as, all ingress was prohibited.
3. (Astron.) The entrance of the moon into the shadow of the earth in eclipses, the sun's entrance into a sign, etc.