Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
fall-board is a noun meaning "the hinged protective covering that protects the keyboard of a piano when it is not being played". It carries one recorded sense.
the hinged protective covering that protects the keyboard of a piano when it is not being played
Definitions, synonyms and semantic relations for fall-board come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.