What does airlock mean?
A chamber or compartment in a spacecraft or submarine that can be sealed off from the rest of the vessel to prevent the loss of air or to allow the pressure to be equalized before opening the outer door.
Example
"The astronauts had to wait in the airlock for 10 minutes before they could exit the spacecraft."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.