jacks has definitions from the field of games
1
[ noun ] plaything consisting of small 6-pointed metal pieces that are used (along with a ball) to play the game of jacks

Synonyms

jackstones

Related terms

plaything

2
[ noun ] Last name, frequency rank in the U.S. is 3796
3
[ noun ] (games) a game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball

Related terms

child's_game

*