Definition of parallel adjective from the Oxford Advanced American Dictionary

        

    parallel

     adjective
    adjective
    NAmE//ˈpærəˌlɛl//
     
     
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  1. 1two or more lines that are parallel to each other are the same distance apart at every point parallel lines parallel to/with something The road and the canal are parallel to each other.
  2. 2very similar or taking place at the same time a parallel case parallel trends
  3. 3 (computing) involving several computer operations at the same time parallel processing
  4. paralleladverb
     
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  5. The road and the canal run parallel to each other. The plane flew parallel to the coast.
See the Oxford Advanced Learner's Dictionary entry: parallel