A device for lifting heavy objects, especially a car, off the ground. noun
He used a jack to lift the car and change the tire.
Make sure the jack is stable before you crawl under the vehicle.
A playing card bearing the representation of a soldier or servant, typically ranking below a queen and above a ten. noun
She drew a jack of hearts from the deck.
The jack can be a valuable card in certain games.
A male donkey. noun
The farmer owned a jack and several mares.
The jack brayed loudly in the morning.
A small flag flown at the bow of a ship, often indicating nationality. noun
The ship flew a Union Jack at its bow.
The jack was raised as they entered the harbor.
A socket designed to receive a plug, especially for electrical or audio connections. noun
He plugged his headphones into the jack.
The audio jack on the device was damaged.
To lift or raise something, especially with a jack. verb
They had to jack up the car to replace the tire.
The workers jacked the platform to the desired height.
A common male given name. noun
Jack is known for his adventurous spirit.
She named her son Jack after her grandfather.