COCKAL

Cock"al, n. Etym: [Etymol. uncertain.]

1. A game played with sheep's bones instead of dice [Obs.]

2. The bone used in playing the game; -- called also huckle bone. [Obs.] Nares. A little transverse bone Which boys and bruckeled children call (Playing for points and pins) cockal. Herrick.

Source: Webster’s Unabridged Dictionary 1913 Edition