The Collaborative International Dictionary of English v.0.48:
Agraffe \A*graffe"\, n. [F. agrafe, formerly agraffe, OF. agrappe. See Agrappes.] 1. A hook or clasp. [1913 Webster] The feather of an ostrich, fastened in her turban by an agraffe set with brilliants. --Sir W. Scott. [1913 Webster] 2. A hook, eyelet, or other device by which a piano wire is so held as to limit the vibration. [1913 Webster]