a game played with six pronged metal pieces, typically at school, a small, usually knitted or crocheted, ball used as a child's toy

play jacks, jacks and ball, knuckle down to jacks

Formal and Informal Expressions of jacks

In different contexts, you can replace 'jacks' with suitable alternatives. In a more informal setting, 'jackstones' is apt.

jacks: Explore its Definition & Usage

jacks Definition

1a game played with six pronged metal pieces, typically at school
2a small, usually knitted or crocheted, ball used as a child's toy

Using jacks: Examples

Take a moment to familiarize yourself with how "jacks" can be used in various situations through the following examples!

Example
They were playing jacks during recess.
Example
She made a set of jacks for her little sister.

Phrases with jacks

play jacks
to play the game of jacks
Example
We used to play jacks all the time when we were kids.
jacks and ball
a set of jacks and a small rubber ball used to play the game of jacks
Example
She always carried a set of jacks and ball in her backpack.
knuckle down to jacks
to get serious about something, especially work or study
Example
It's time to knuckle down to jacks and finish this project.

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Summary: jacks in Brief

The term 'jacks' [dʒæks] refers to a game played with six pronged metal pieces, typically at school, and a small, usually knitted or crocheted, ball used as a child's toy. It is often used in the phrase 'play jacks,' and the set is called 'jacks and ball.' 'Jacks' can also be used idiomatically in 'knuckle down to jacks,' meaning to get serious about something.