Definitions

1. noun

A tool used for lifting heavy weights or loads, typically consisting of a metal frame with a pivoting arm.

“The worker used a jack to lift the car and change the tire.”

2. noun

A mechanical device used to raise or lower something, especially in a building or a ship.

“The building’s elevator is a type of jack that moves people between floors.”

3. noun

A person who is a skilled or experienced player of a particular card game, especially poker.

“He’s a great poker jack and usually wins at our weekly game night.”

4. noun

A mechanical device used in a musical instrument, such as a violin, to raise or lower its pitch.

“The violin’s jack made it possible to play the high notes with greater ease.”

5. verb

To remove the plug or cap from the top of a bottle, especially a bottle of beer.

“He jacked the beer and handed it to his friend.”

6. verb

To obtain or gain something quickly and easily.

“She jacked up her salary by asking for a raise at the right time.”

7. verb

To increase or boost the strength or power of something.

“The new engine will jack up the performance of the car.”

8. verb

To remove the top or cap of a bottle, especially a bottle of beer.

“He jacked the bottle and poured the beer into a glass.”

9. interjection

An expression used to indicate surprise or excitement.

“Jack! I just saw a deer in the woods.”