Army camp (4)
I believe the answer is:
base
(Other definitions for base that I've seen before include "Bottom; vile" , "Reprobate" , "Not a noble" , "Lowest part of something" , "Starting point; wicked" .)
I believe the answer is:
base
(Other definitions for base that I've seen before include "Bottom; vile" , "Reprobate" , "Not a noble" , "Lowest part of something" , "Starting point; wicked" .)