Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
catalpa is a noun meaning "tree of the genus Catalpa with large leaves and white flowers followed by long slender pods". It carries one recorded sense.
tree of the genus Catalpa with large leaves and white flowers followed by long slender pods
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 catalpa come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.