agrafe

Noun

agraffe (plural agraffes)

1. A decorated clasp consisting of a hook which fastens onto a ring, similar to hook and eye, used in armor or in ordinary clothing.
   • The feather of an ostrich, fastened in her turban by an agraffe set with brilliants, was another distinction of the beautiful Jewess, scoffed and sneered at by the proud dames who sat above her, but secretly envied by those who affected to deride them.1819 December 20 (indicated as 1820), Walter Scott, Ivanhoe; a Romance. […], volume (please specify |volume=I to III), Edinburgh: […] Archibald Constable and Co.; London: Hurst, Robinson, and Co....
2. A carved keystone, usually decorated with a mascaron or a corbel, often used in Classical architecture.
3. A brass fitting, screwed into a piano plate, that positions the strings vertically and laterally, and defines one end of the string's speaking length.