What is the meaning of pull down?

verb

• Tear down so as to make flat with the ground.
  • usage: "The building was levelled"
  • synonyms: level, raze, rase, dismantle, tear down, take down
• Cause to come or go down.
  • usage: "The policeman downed the heavily armed suspect"; "The mugger knocked down the old lady after she refused to hand over her wallet"
  • synonyms: down, knock down, cut down, push down