Prop
Part of speech: noun
Definition: An object placed against or under another, to support it; anything that supports. The player who is next to the hooker in a scrum. Any object that is thrown and caught. An item placed on a stage or set to create a scene or scenario in which actors perform. The propeller of an aircraft. A proposition, especially on an election-day ballot.
Part of speech: verb
Definition: To support or shore up something.
Example sentence: Kim Kardashian's marriage to Kris Humphries famously lasted 72 days, and was reported in the tabloids as being all about the big bucks paid by magazines for the bridal photos: it is a spectacle of a bride-to-be as entrepreneur, not as romantic heroine; the groom, in this scenario, is nothing but a prop.
Airscrew
Part of speech: noun
Definition: The propeller of an aircraft; the prop.Any actuator disk whose working fluid is air.