cantilever

(architecture) A beam anchored at one end and projecting into space, such as a long bracket projecting from a wall to support a balcony.

A beam anchored at one end and used as a lever within a microelectromechanical system.

(figure skating) A technique, similar to the spread eagle, in which the skater travels along a deep edge with knees bent and bends their back backwards, parallel to the ice.