American English

Definition of rear noun from the Oxford Advanced American Dictionary

      

    rear

     noun
    noun
    NAmE//rɪr//
     
     
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  1. 1 the rear [singular] the back part of something A trailer was attached to the rear of the truck. There are toilets at the front and rear of the plane. They instructed us to deliver the goods to the rear of the building. Which Word?the back / the rear / behind The back and the rear have a similar meaning, but the rear is used more in formal or official language:What's that in the back of the fridge? The exits are located at the rear of the aircraft.It is usual to talk about the back door of a house, but the rear exit of an aircraft or a public building. If something is behind something else, it is near to the back of it but not part of it. Compare:Our room was at the back of the hotelandThere’s a pretty little pond just behind our hotel.
  2. 2 [countable] (informal) the part of the body that you sit on synonym backside He was kicked in the rear.
  3. Idioms
    bring up the rear
     
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    to be at the back of a line of people, or last in a race David was the first to reach the summit, followed by Pat, leaving Fred to bring up the rear.
See the Oxford Advanced Learner's Dictionary entry: rear