A propeller is a mechanical device that converts rotational motion into thrust.
Propeller may also refer to: Propeller (aeronautics)
Music Propeller Records, a record label Propeller (band), an Estonian punk band Propellers (band), an English band Propeller (Guided by Voices album) (1992) Propeller (Peter Stuart album) (2002)
Other uses Propeller (theatre company), a UK theatre group Propeller TV, a British television channel Propeller.com, a social news website operated by AOL Parallax Propeller, a microcontroller The Propeller, defunct Australian newspaper Propeller Knight, a boss in Shovel Knight Propeller Mushroom, a power-up in New Super Mario Bros. Wii Variable-pitch propellers (marine)
See also Beta-propeller, a protein fold