jack
jack Lexical Profile
jack Game Scores & Validity
• noun
A portable mechanical or hydraulic device used for lifting heavy objects, especially a motor vehicle when changing a tire.
"She used a hydraulic jack to raise the rear axle of the car before replacing the flat tire."
A playing card ranking just below a queen and bearing a representation of a soldier, page, or knave.
"He won the final hand by playing the jack of spades."
A socket or plug-in receptacle used to make an electrical connection, especially for audio, telephone, or computer cables.
"Plug the headphones into the audio jack on the side of the laptop."
Any of various fast-swimming marine fishes of the family Carangidae (such as the crevalle jack or amberjack) inhabiting warm coastal waters, or a young pike or salmon.
"Anglers fishing along the tropical reef frequently catch trevally and other silvery jacks."
A male donkey or ass, or a large long-eared hare of western North America (a jackrabbit).
"The rancher bred a prized mammoth jack with a mare to produce strong, hardy mules."
• verb
To raise, lift, or move a heavy object by means of a mechanical or hydraulic jack (often followed by 'up').
"The mechanic jacked the front end of the truck off the ground to inspect the suspension."
To increase a price, rate, or amount sharply or excessively (usually followed by 'up').
"Several hotels jacked their room rates up during the summer festival."
North American To steal or take something without permission (slang).
"Someone jacked his bicycle from the rack outside the library."
• Rhymes for jack
• Nearby Words
Word Origin & Etymology
Derived from the Middle English masculine personal name Jack (a pet form of John or Jacques), which became so common that it was used generically for any man or fellow, and subsequently applied to various mechanical devices that saved human labor.
Usage Trend
Historical frequency of usage in published text.