bonce

noun3

1. •
   (UK, slang) The human head.

   • Bonce (various), the head, called also "crust, chump." From bonce, a marble of larger size than ordinary, used by boys. — 1889
2. •
   (old-fashioned) A large marble of grey stone used in various games, such as bonce about, bonce-eye, and French bonce.

   • Bonces, or very large stone marbles, made chiefly in Holland. — 1837
3. •
   (old-fashioned) A marble game played with bonces.