box in

verb3

1. •
   To enclose by drawing a box around.

   • For running along the public roads the wheels and motion are completely boxed in; [...]. — 1941
2. •
   To trap or immobilize something, usually a vehicle, by placing obstacles, usually other vehicles, around it to obstruct its free movement.
3. •
   (figurative) To limit someone's freedom of thought, movement, expression, etc.