barricading

/B AE1 R AH0 K EY0 D IH0 NG/
verb
  1. 1

    To close or block a road etc., using a barricade

  2. 2

    To keep someone in (or out), using a blockade, especially ships in a port

Source: https://en.wiktionary.org/wiki/barricade, https://en.wiktionary.org/wiki/barricading