What is the meaning of egress?

noun

• Astronomy) the reappearance of a celestial body after an eclipse.
  • synonyms: emersion
• The becoming visible.
  • usage: "not a day's difference between the emergence of the andrenas and the opening of the willow catkins"
  • synonyms: emergence, issue
• The act of coming (or going) out; becoming apparent.
  • synonyms: egression, emergence

verb

• Come out of.
  • usage: "Water issued from the hole in the wall"; "The words seemed to come out by themselves"
  • synonyms: issue, emerge, come out, come forth, go forth