Definition of rocket noun from the Oxford Advanced Learner's Dictionary

     

    rocket

     noun
    noun
    BrE BrE//ˈrɒkɪt//
     
    ; NAmE NAmE//ˈrɑːkɪt//
     
    Aircraft, Space travel, Weapons
     
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  1. 1[countable] a spacecraft in the shape of a tube that is driven by a stream of gases let out behind it when fuel is burned inside a space rocket The rocket was launched in 2007. The idea took off like a rocket (= it immediately became popular). Wordfinderastronaut, countdown, dock, launch, mission, orbit, rocket, satellite, space, weightless See related entries: Aircraft, Space travel
  2. 2[countable] a missile (= a weapon that travels through the air) that carries a bomb and is driven by a stream of burning gases a rocket attack See related entries: Weapons
  3. 3[countable] a firework that goes high into the air and then explodes with coloured lights
  4. 4 [uncountable] (British English) (North American English arugula) a plant with long green leaves that have a strong flavour and are eaten raw in salads
  5. Word Origin noun senses 1 to 3 early 17th cent.: from French roquette, from Italian rocchetto, diminutive of rocca ‘distaff (for spinning)’, with reference to its cylindrical shape. noun sense 4 late 15th cent.: from French roquette, from Italian ruchetta, diminutive of ruca, from Latin eruca ‘downy-stemmed plant’.Extra examples You don’t have to be a rocket scientist to do this job. A rocket smashed into the side of the building. The government building had been damaged by a rocket attack.Idioms
    to give somebody a rocket, to get a rocket
     
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    (British English, informal) to speak angrily to somebody because they have done something wrong; to be spoken to angrily for this reason
See the Oxford Advanced American Dictionary entry: rocket