1remove (someone) from a place of danger to a safer place:several families were evacuated from their homes
leave or cause the occupants to leave (a place of danger):fire alarms forced staff to evacuate the building [no object]:nearly five million had to evacuate because of air terror
(of troops) withdraw from (a place):the last British troops evacuated the Canal Zone
2 technical remove air, water, or other contents from (a container):when it springs a leak, evacuate the pond
empty (the bowels or another bodily organ):patients evacuated their bowels before dialysis
discharge (faeces or other matter) from the body:the bowel functions to evacuate solid waste products
