bolster

US /ˈbolstɚ/

UK /'bəʊlstə(r)/

B2

verb

  • To prop up or support (e.g. a wall)
  • To support or strengthen; prop up

noun

  • A long, often cylindrical, cushion or pillow.
  • A long, often cylindrical, pillow or cushion.
  • A structural part used to give support.
  • A long, often cylindrical, cushion or pillow.

other

  • To support or strengthen; reinforce.