Search Result for "fall-board": 
Wordnet 3.0

NOUN (1)

1. the hinged protective covering that protects the keyboard of a piano when it is not being played;
[syn: fallboard, fall-board]



WordNet (r) 3.0 (2006):

fall-board
    n 1: the hinged protective covering that protects the keyboard
         of a piano when it is not being played [syn: fallboard,
         fall-board]