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

     

    gateway

     noun
    noun
    BrE BrE//ˈɡeɪtweɪ//
     
    ; NAmE NAmE//ˈɡeɪtweɪ//
     
     
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  1. 1an opening in a wall or fence that can be closed by a gate They turned through the gateway on the left. a fine 18th century brick gateway
  2. 2[usually singular] gateway to/into… a place through which you can go to reach another larger place Perth, the gateway to Western Australia
  3. 3[usually singular] gateway to something a means of getting or achieving something A good education is the gateway to success. Increasingly our role is as a gateway to information.
  4. 4 (computing) a device that connects two computer networks that cannot be connected in any other way
See the Oxford Advanced American Dictionary entry: gateway