I. ˈjəmpə(r) noun
( -s )
Etymology: jump (I) + -er
1. : a person who jumps: as
a. usually capitalized : one of a revivalistic sect whose members jump, skip, hop up and down, clap their hands, shout, or otherwise demonstrate an intense spiritual excitation in their meetings — called also Holy Jumper
b. : a person who jumps another's claim
c. : a miner who drills with a jumper
d. : a person who quits his employment especially in violation of contract or other obligation
the special Army camp for drafted job jumpers — Newsweek
e. : a delivery-route driver's helper
f. : an experienced employee who can help or substitute for one or more of the workers engaged in an industrial process — called also handyman, utility man
g. : a person who competes in a jumping event (as the broad jump or a ski jump)
2.
a. : a drill or boring tool consisting of a bar which is jumped up and down in the borehole
b. : any of several sleds (as used by boys in coasting or for hauling merchandise over bare ground)
c. : jumper sled
d. : a plowshare specially fitted for rough soil (as by having an upturned colter to cut roots) ; also : a plow having a moldboard so attached that it jumps out of the ground when it hits a stump
e. : swage 2b
f. : stones used for leveling courses especially in random-coursed ashlar
g.
(1) : a short wire used to close a break or cut out part of a circuit
(2) : the removable member of a train-line or truck-trailer coupling consisting usually of two coupling plugs and a connecting cable
h. : hose bridge
3. : any of several jumping animals: as
a. : a saddle horse trained to jump obstacles
b. : smallmouth black bass
II. noun
( -s )
Usage: often attributive
Etymology: probably from jump (V) + -er
1.
a. : a loose blouse, jacket, or smock worn especially by workmen on the job
b. : a sleeveless dress or a skirt with a bib for women and girls worn usually with a blouse or sweater
2.
a. : a child's one-piece coverall for play or sleeping — usually used in plural
b. : a sailor's blouse having long sleeves and a broad square collar tapering to a V neck in front
c. chiefly Britain : a sweater for women or girls
III. noun
: jump shot 3