1. Rebounding from an impact (or series of impacts); SYN. bouncing.
2. The quality of a substance that is able to rebound; SYN. bounciness.

ETYM Cf. French jupe a long petticoat, a skirt. Related to Juppon.
1. The act of jumping; propelling oneself off the ground; SYN. jumping.
2. Descent with a parachute; SYN. parachuting.
3. A sudden and decisive increase; SYN. leap.
4. In films: a transition from one scene to another.

ETYM as. leáp.
1. A light springing movement upwards or forwards; SYN. leaping, spring, bound, bounce.
2. An abrupt transition; SYN. jump.
3. The distance leaped (or to be leaped).

(Architecture) A vaulted structure.