Definition of Obstacle belt

Search Dictionary
Obstacle belt Definition from Government Dictionaries & Glossaries
DOD Dictionary of Military Terms
A brigade-level command and control measure, normally given graphically, to show where within an obstacle zone the ground tactical commander plans to limit friendly obstacle employment and focus the defense. It assigns an intent to the obstacle plan and provides the necessary guidance on the overall effect of obstacles within a belt. See also obstacle. (JP 3-15)
  
Source: U.S. Department of Defense, Joint Doctrine Division. ( About )