[UK and ANZ] usually -ise [verb] [T] - to remove military forces from (an area)At the end of the war, the area was demilitarized.A demilitarized zone has been created on the border between the two countries involved in the conflict.
DEMILITARIZE
Meaning of DEMILITARIZE in English
Cambridge English vocab. Кембриджский английский словарь. 2012