RhymeZone: jacks definitions

Definitions of jacks:

noun: a game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball
noun: plaything consisting of small 6-pointed metal pieces that are used (along with a ball) to play the game of jacks
name: A surname (rare: 1 in 33333 families; popularity rank in the U.S.: #3796)