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[geyt-wey] /ˈgeɪtˌweɪ/
an entrance or passage that may be closed by a gate.
a structure for enclosing such an opening or entrance.
any passage by or point at which a region may be entered:
New York soon became the gateway to America.
Digital Technology.
  1. software or hardware that connects two disparate computer networks, as to enable the passage of information between a home or business network and the Internet.
  2. software that facilitates digital communication of text messages over cellular telephone networks.
Origin of gateway
1700-10; gate1 + way1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for gateway
Contemporary Examples
Historical Examples
  • But at the gateway of the palace there are two fierce lions.

  • Not far from the gateway, they came to a bridge, which seemed to be built of iron.

    Tanglewood Tales Nathaniel Hawthorne
  • Straight up the Ridge for those two great rocks that stand up there like a gateway to the pass.

    The Trail of The Badger Sidford F. Hamp
  • The gape of his enormous jaws was nearly as wide as the gateway of the king's palace.

    Tanglewood Tales Nathaniel Hawthorne
  • I built a cottage for Susan and myself and made a gateway in the form of a Gothic Arch, by setting up a whale's jaw bones.

    Moby Dick; or The Whale Herman Melville
British Dictionary definitions for gateway


an entrance that may be closed by or as by a gate
a means of entry or access: Mumbai, gateway to India
(modifier) allowing entry, access, or progress to a more extreme form: gateway drug, gateway drink
(computing) hardware and software that connect incompatible computer networks, allowing information to be passed from one to another
a software utility that enables text messages to be sent and received over digital cellular telephone networks
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for gateway's 21st Century Lexicon
Copyright © 2003-2014, LLC
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Word Origin and History for gateway

1707, from gate + way. Figurative use from 1842.

Online Etymology Dictionary, © 2010 Douglas Harper
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gateway in Technology

1. A deprecated term for a device that enables data to flow between different networks (forming an internet).
Preferred terms are "protocol converter" (connects networks that use different protocols), "router" (connects two broadcast networks at layer 3 (network layer). Another example is a mail gateway, which is a layer 7 (application layer) gateway.
2. An interface between an information source and a World-Wide Web server. Common Gateway Interface is a standard for such interfaces. The information source can be any system that can be accessed by a program running on the web server. A typical example is a relational database.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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