prop

Noun

• a propeller that rotates to push against air

• any movable articles or objects used on the set of a play or movie
  • before every scene he ran down his checklist of props
    

• a support placed beneath or against something to keep it from shaking or falling

Verb

• support by placing against something solid or rigid
  • shore and buttress an old building
    

Related words

• Synonyms: 
  airplane propeller , airscrew , property , prop up , shore up , shore