Webster's Revised Unabridged Dictionary · 1913

Egress

Egress , noun

[Latin egressus, from egredi to go out; e out + gradi to go. See Grade.]

1.
The act of going out or leaving, or the power to leave; departure.
Embarred from all egress and regress. — Holland
Gates of burning adamant, Barred over us, prohibit all egress. — Milton
2.
(Astronomy) The passing off from the sun's disk of an inferior planet, in a transit.

Egress , intransitive verb

To go out; to depart; to leave.