Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
jump-start is a verb and noun meaning "start (a car engine whose battery is dead) by connecting it to another car's battery". It carries 3 recorded senses.
Definitions, synonyms and semantic relations for jump-start come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.