Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
splutter is a noun and verb meaning "the noise of something spattering or sputtering explosively". It carries 4 recorded senses.
the noise of something spattering or sputtering explosively
“he heard a spatter of gunfire”
an utterance (of words) with spitting sounds (as in rage)
spit up in an explosive manner
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 splutter come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.