bn:00032810n
Noun Concept
EN
fallboard  fall-board
EN
The hinged protective covering that protects the keyboard of a piano when it is not being played WordNet 3.0
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EN
The hinged protective covering that protects the keyboard of a piano when it is not being played WordNet 3.0 & Open English WordNet
The hinged cover which protects the keyboard of a piano when not in use. Wiktionary
WordNet 3.0 & Open English WordNet
Wiktionary