The meaning of JACK is a game played with a set of small objects that are tossed, caught, and moved in various figures. How to use jack in a sentence.

JACK definition: any of various portable devices for raising or lifting heavy objects short heights, using various mechanical, pneumatic, or hydraulic methods. See examples of jack used in a sentence.

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1 day ago · Chris Pratt—who was a guest of honor at the 2026 Super Bowl to introduce his beloved Seattle Seahawks at Levi's Stadium—also turned the game into a winning outing with son Jack, 13.

A jack is a device for lifting a heavy object, such as a car, off the ground. A jack is a playing card whose value is between a ten and a queen. A jack is usually represented by a picture of a young man. ...the …

JACK definition: 1. a piece of equipment that can be opened slowly under a heavy object such as a car in order to…. Learn more.

5 hours ago · Chris Pratt and his son, Jack, announced the Seattle Seahawks at the 2026 Super Bowl on Sunday, Feb. 8. The actor has been a longtime supporter of his hometown team and has …

Jan 22, 2026 · From Middle English Jackin, Jankyn, a popular pet form of John; rarely also an anglicized form of French Jacques (equivalent of Jacob and James). It can be also used as nickname for …

Jack is a given name of English origin, originally a diminutive of John.

Definition of jack noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.