1. The act
out or leaving, or the strength to leave; departure. "Embarred from all egress
and regress." (Holland) "Gates of burning
adamant, Barred over us, prohibit all egress." (Milton)
2. The passing off from the sun's disk of an inferior planet, in a transit.
Origin: L. Egressus, fr. Egredi to go out; e out + gradi to go. See Grade.
Source: Websters Vocabulary