[{"Bold_text": "noun", "List Items": ["any of various portable devices for raising or lifting heavy objects short heights, using various mechanical, pneumatic, or hydraulic methods.", "Also called knave .Cards.a playing card bearing the picture of a soldier or servant.", "Electricity.a connecting device in an electrical circuit designed for the insertion of a plug.", "Jack,Informal.fellow; buddy ; man (usually used in addressing a stranger):Hey, Jack, which way to Jersey?", "Also called jackstone .Games.one of a set of small metal objects having six prongs, used in the game of jacks.one of any other set of objects, as pebbles, stones, etc., used in the game of jacks.jacks,(used with a singular verb)a children's game in which small metal objects, stones, pebbles, or the like, are tossed, caught, and moved on the ground in a number of prescribed ways, usually while bouncing a rubber ball.", "one of a set of small metal objects having six prongs, used in the game of jacks.", "one of any other set of objects, as pebbles, stones, etc., used in the game of jacks.", "jacks,(used with a singular verb)a children's game in which small metal objects, stones, pebbles, or the like, are tossed, caught, and moved on the ground in a number of prescribed ways, usually while bouncing a rubber ball.", "any of several carangid fishes, especially of the genus Caranx,as C. hipposcrevalle jack, or jack crevalle,of the western Atlantic Ocean.", "Slang.money:He won a lot of jack at the races.", "Slang: Vulgar. jack shit jack shit.", "Nautical.a small flag flown at the jack staff jack staffof a ship, bearing a distinctive design usually symbolizing the nationality of the vessel.Also called jack crosstree jack crosstree.either of a pair of crosstrees at the head of a topgallant mast, used to hold royal shrouds away from the mast.", "a small flag flown at the jack staff jack staffof a ship, bearing a distinctive design usually symbolizing the nationality of the vessel.", "Also called jack crosstree jack crosstree.either of a pair of crosstrees at the head of a topgallant mast, used to hold royal shrouds away from the mast.", "Jack,a sailor.", "lumberjack(def1) lumberjack(def1).", "applejack .", "jack rabbit jack rabbit.", "jackass(def1) jackass(def1).", "jacklight .", "a device for turning a spit.", "a small wooden rod in the mechanism of a harpsichord, spinet, or virginal that rises when the key is depressed and causes the attached plectrum to strike the string.", "Lawn Bowling.a small, usually white bowl or ball used as a mark for the bowlers to aim at.", "Also called clock jack clock jack.Horology.a mechanical figure that strikes a clock bell.", "a premigratory young male salmon.", "Theater. brace jack brace jack.", "Falconry.the male of a kestrel, hobby, or especially of a merlin."]}, {"Bold_text": "verb (used with object)", "List Items": ["to lift or move (something) with or as if with a jack (usually followed byup):to jack a car up to change a flat tire.", "Informal.to increase, raise, or accelerate (prices, wages, speed, etc.) (usually followed byup).", "Informal.to boost the morale of; encourage (usually followed byup).", "Slang.to mess up, ruin, or injure (usually followed byup):I jacked my shoulder when I fell.The paint job was all jacked up.I jacked my shoulder when I fell.", "to jacklight."]}, {"Bold_text": "verb (used without object)", "List Items": ["to jacklight."]}, {"Bold_text": "adjective", "List Items": ["Carpentry.having a height or length less than that of most of the others in a structure; cripple:jack rafter; jack truss."]}, {"Bold_text": "verb phrase", "List Items": ["Slang.to give oneself an injection of a controlled substance controlled substance:After 30 heroin-free days, he was let out for the afternoon and came straight to my door, begging to jack up.", "Slang: Vulgar.to masturbate."]}, {"Bold_text": "verb (used with object)", "List Items": ["to steal:Hackers jacked my email account in a phishing scam.Some neighborhood kids jacked her car and took it for a joyride.Hackers jacked my email account in a phishing scam.", "to rob:He got jacked on his way home from the club."]}, {"Bold_text": "noun", "List Items": ["jackfruit ."]}, {"Bold_text": "noun", "List Items": ["a defensive coat, usually of leather, worn in medieval times by foot soldiers and others.", "a container for liquor, originally of waxed leather coated with tar."]}, {"Bold_text": "noun", "List Items": ["a male given name, form of Jacob John ."]}]