fin·ger·board /ˈfɪŋgɚ/
  指板,鍵盤
  fingerboard
       n 1: a guidepost resembling a hand with a pointing index finger
            [syn: fingerpost]
       2: a bank of keys on a musical instrument [syn: piano keyboard,
           clavier]
       3: a narrow strip of wood on the neck of some stringed
          instruments (violin or cello or guitar etc) where the
          strings are held against the wood with the fingers