What is the meaning of Slingshot?

A Y-shaped stick with an elastic sling between the arms used for shooting small projectiles.

A stationary, often triangular object that launches any ball that hits its longest side back at a high force, now usually located above the flipper and between it and the inlane, with one each for both lower flippers.

A sling bikini.

 An implement of a broad fabric worn around and connecting both bicipites brachii to support benching the most heavy weights.

The act of passing cars queuing in the left-hand lane and using the right-hand lane to go around a roundabout, exiting at the desired junction having avoided the queue.

Synonym of slingshot effect.

To move or cause to move in a manner resembling a projectile shot from a slingshot.

To use the gravity of a moving planet to add momentum to a spacecraft.

To perform the slingshot manoeuvre (see Noun).

Source: wiktionary.org