Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
cantonment is a noun meaning "temporary living quarters specially built by the army for soldiers". It carries one recorded sense.
temporary living quarters specially built by the army for soldiers
“wherever he went in the camp the men were grumbling”
military
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 cantonment come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.