American English

Definition of onto preposition from the Oxford Advanced American Dictionary

      

    onto

     preposition
    preposition
    NAmE//ˈɑntə//
     
    , NAmE//ˈɔntə//
     
    , NAmE//ˈɑntu//
     
    , NAmE//ˈɔntu//
     
    on to
     
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  1. 1used with verbs to express movement on or to a particular place or position Move the books onto the second shelf. She stepped down from the train onto the platform.
  2. 2used to show that something faces in a particular direction The window looked out onto the terrace.
  3. Phrasal Verbsbe onto somebodybe onto something
See the Oxford Advanced Learner's Dictionary entry: onto