Englishfor English speakers
jack
Noun
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A jack is a machine for lifting heavy thing. Often a jack is used to lift a car for fixing.
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A jack is a plug or connector for electronics.
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A jack is a flag used at by ships at sea.
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Another word for nothing.
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A jack is a playing card with a J on it.
jack
Verb
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To use a jack.
He jacked the car up so that he could replace the brake pads.
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To steal.
Someone jacked my car last night!
Jack
Proper noun
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Jack is a male given name.
arm
Noun
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One of the upper limbs people have; arms start at the shoulder and go down to the wrist, sometimes the hand is included.
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A weapon.
arm
Verb
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To give or sell weapons to a person, group, or country.
Our taxes pay to arm the military.
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To get a tool or a weapon ready for action; to activate.
Remember to arm the alarm system.