(sports) To begin a race too soon, before the starting gun goes off. / (idiomatic) To act or begin too soon or without due caution.

(idiomatic, of a television program or other narrative) To undergo a storyline development which heralds a fundamental and generally disappointing change in direction.

Any of very many spiders, of the family Salticidae, that jump from place to place with the aid of a silk tether.

Used to introduce an inline advertisement in a webpage etc.

Alternative form of jump-start

(transitive) To start a motor vehicle by passing an electrical current from a charged battery to the discharged ("dead" or "flat") battery of the vehicle being started, by using booster cables to temporarily connect the two batteries in parallel.

The process or result of jump-starting a motor vehicle. / (sports) A false start

A winter sport in which skiers ski down a take-off ramp and attempt to jump as far as possible.

(idiomatic) To profit from a craze; to join a trend.

(idiomatic) To immediately accept an offer; to seize an opportunity.