To take a short flight (on a puddle jumper). / To jump over or into puddles. / To take a short trip by boat, especially one that remains lose to shore

(informal) In trouble; facing punishment for a misdeed.

A jockey who rides in steeplechases and thus has to jump over obstacles.

plural of jump jockey

In a very short time.

(US, informal) from the start, from the word go, from the get-go, from the outset, at the outset (from the very beginning)

plural of jump server

plural of jump box

plural of jump host

(computing) Synonym of jump server / (automotive) An item of portable equipment for jump-starting a vehicle. / A box used in plyometric exercise to facilitate jumps, stretches, etc.