D defs.my
Entry 1 sense Webster, 1913

Chiroplast

· Chi·ro·plast · IPA /ˈkaɪɹəplæst/
01 n. An instrument to guid the hands and fingers of pupils in playing on the piano, etc.
  1. 1.
    An instrument to guid the hands and fingers of pupils in playing on the piano, etc.(Mus.)