Englishfor English speakers
jack
Noun
—
A jack is a machine for lifting heavy thing. Often a jack is used to lift a car for fixing.
—
A jack is a plug or connector for electronics.
—
A jack is a flag used at by ships at sea.
—
Another word for nothing.
—
A jack is a playing card with a J on it.
jack
Verb
—
To use a jack.
He jacked the car up so that he could replace the brake pads.
—
To steal.
Someone jacked my car last night!
Jack
Proper noun
—
Jack is a male given name.
Armstrong
—
noun
United States pioneering jazz trumpeter and bandleader (1900-1971)
—
noun
United States astronaut; the first man to set foot on the Moon (July 20, 1969) (1930-)