(transitive) To start a motorcycle. / (transitive, figuratively) To start or begin strongly or quickly.

The codon at which translation of mRNA into protein starts, encoding the first amino acid.

(idiomatic) An advantage consisting in starting a competition or task earlier than might be expected; given (or taken), for example, prior to the beginning of a race.

(idiomatic, transitive, intransitive, US) to begin again; to return to the beginning

(sports) The act of an athlete starting a race before being signaled to do so. / (American football) The act of an offensive player moving across the line of scrimmage prior to the snap.

In the United States, a government-funded preschool program for impoverished children.

Alternative spelling of kick start

Alternative spelling of kick start

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.