The auditorium is designed to provide easy egress in an emergency.
<the only egress from the nightclub was a dark, narrow stairway to the street below>
One comprehends how undisturbed he was, and how safe from any danger of interruption, when it is stated that he even carried off a unicorn's horn—a mere curiosity—which would not pass through the egress entire, but had to be sawn in two—a bit of work which cost him hours of tedious labor. —Mark Twain, A Tramp Abroad , 1880
When she had laid the supper-cloth, the bridge was lowered to give her means of egress, and she withdrew for the night. —Charles Dickens, Great Expectations, 1861
The system lets you lower the truck to ease ingress and egress, and raise it for added ground clearance. —Scott Oldham, Popular Mechanics, August 1998