Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ans is a noun meaning "the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands". It carries one recorded sense.
the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands
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 ans come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.