cramp bone

English

Noun

cramp bone (plural cramp bones)

1. The patella of a sheep, formerly used as a charm against cramp.
   • 1849 May – 1850 November, Charles Dickens, chapter 17, in The Personal History of David Copperfield, London: Bradbury & Evans, […], published 1850, →OCLC:

     He could turn crampbones into chessmen.