Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
buttonwood is a noun meaning "very large spreading plane tree of eastern and central North America to Mexico". It carries one recorded sense.
very large spreading plane tree of eastern and central North America to Mexico
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 buttonwood come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.