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

To move or cause to move in a manner resembling a projectile shot from a slingshot. / (especially) To use the gravity of a moving planet to add momentum to a spacecraft.

plural of slingshot

Third-person singular simple present indicative form of slingshot

present participle of slingshot

simple past tense and past participle of slingshot

Alternative form of gravity assist

Synonym of gravity assist

The use of the relative movement and gravity of a planet or other celestial body to alter the path and speed of a spacecraft.

plural of gravity slingshot