say it: JUHM-pur
jumper is a noun meaning "a person who jumps". It carries 8 recorded senses.
a person who jumps
“as the jumper neared the ground he lost control”
“the jumper's parachute opened”
a coverall worn by children
a small connector used to make temporary electrical connections
a loose jacket or blouse worn by workmen
(basketball) a player releases the basketball at the high point of a jump
basketball
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for jumper come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.