bolster

/ˈboʊlstər/
verb
  1. To support or strengthen something, such as an argument, system, or person's confidence.
    • The new evidence helped bolster the prosecution's case.
    • She took a course to bolster her skills in public speaking.
    • The government introduced tax cuts to bolster the economy.
noun
  1. A long, thick pillow used for support, especially in bed.
    • The hotel bed had a soft bolster and several regular pillows.
    • He propped his back against a bolster while reading.
    • She hugged the bolster as she slept.
  2. A part of a machine or structure that provides support or reinforcement.
    • The carpenter installed a wooden bolster to support the beam.
    • A steel bolster was added to reinforce the bridge.
    • The engineer checked the bolster under the train carriage.
What does "bolster" mean? | whatsthatwordmean | whatsthatwordmean