Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
simulacrum is a noun meaning "an insubstantial or vague semblance". It carries 2 recorded senses.
an insubstantial or vague semblance
a representation of a person (especially in the form of sculpture)
“the coin bears an effigy of Lincoln”
“the emperor's tomb had his image carved in stone”
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 simulacrum come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.