handlebars

noun

1. Usually handlebars.
   1. the curved steering bar of a bicycle, motorcycle, etc., placed in front of the rider and gripped by the hands.
   2. handlebar moustache.
2. a bar or rod, usually of metal and having a handle at one end, used for handling, guiding, or maneuvering some object.

pl n

1. (sometimes singular) a metal tube having its ends curved to form handles, used for steering a bicycle, motorcycle, etc