Definitions
1.VerbTo leave or withdraw from; to quit; to retire from."The soldiers evacuated the fortress.; The firefighters told us to evacuate the area as the flames approached."
2.VerbTo cause (or help) to leave or withdraw from."The firefighters decided to evacuate all the inhabitants from the street."
3.VerbTo make empty; to empty out; to remove the contents of, including to create a vacuum."The scientist evacuated the chamber before filling it with nitrogen."
4.VerbTo make empty; to deprive.
5.VerbTo remove; to eject; to void; to discharge, as the contents of a vessel, or of the bladder or the bowels (to stool).
6.VerbTo make void; to nullify; to vacate."to evacuate a contract or marriage"