from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to people of the highest office or rank.
  • adj. Of or relating to the highest office or rank: a top-level job.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Highest
  • adj. Best
  • adj. Primary; a web page that is directly accessible by typing its name, not followed by any additional information.


from Wiktionary, Creative Commons Attribution/Share-Alike License

top + level


  • In some cases, the ontologies developed are domain-specific (e.g. specific to medical information, geographic information, etc.), but there has also been a great deal of interest in developing a ˜top-level™ ontology of maximally general categories applicable to all specific domains; it is such top-level ontologies that draw upon philosophical work on ontological categories most directly, although categorial distinctions also play a crucial role in domain-specific ontologies.


  • The edu component is referred to as the top-level domain TPL, as it is the highest level of grouping to which this name space belongs.

    Site Home

  • The new rules affect what the industry calls top-level domain names, the familiar dot-coms and dot-nets that end every Web address.

    Web Addresses Enter New.Era

  • The suit, filed in U.S. District Court for the Central District of California, asks the court to block the new so-called top-level domain name altogether, rebid the contract, or put price controls and service requirements on ICM.

    Porn Firm Fights Web Costs

  • ICANN in March awarded a contract to create the new so-called top-level domain name to a company called ICM Registry LLC, which Manwin and Digital Playground say has abused its position by requiring pornography companies and others to buy up Internet addresses in order to keep squatters from infringing on their trademarks with close equivalents like

    Porn Firm Fights Web Costs

  • The Internet Corporation for Assigned Names and Numbers, known by the acronym Icann, is accepting applications for an infinite number of new Web addresses, known as top-level domain names.

    A New Challenge for Web Freedom

  • Photograph: Khaled Elfiqi/EPA Libya under increasing pressure from the Gaddafi regime's sophisticated weaponry, the White House says President Obama has called a top-level meeting of his security advisors to discuss Libya.

    The Guardian World News

  • France said yesterday that it wanted to call a top-level meeting in Paris next week of the so-called Contact Group of nations supporting the Libyan rebels: the United States, Britain, several Arab states, the United Nations, and the Arab League. Top Stories

  • The Regal, based on GM's European Opel Insignia, is offered in the United States in two trim levels: the base CXL and top-level CXL Turbo.

    2011 Buick Regal CXL Turbo

  • -- A proven way to incorporate 110 top-level domains into that mix.

    Conficker worm 'not so scary'


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