from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The first, highest, or best group in a system of classification.
  • noun The most luxurious and most expensive class of accommodations on a commercial airplane, train, passenger ship, or other conveyance.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Belonging to the best or top group in a system of classification.
  • adjective Of, or relating to the most luxurious and expensive class of accommodation on a train, ship, hotel, etc.
  • adjective Of, or relating to a class of mail to be delivered before second class.
  • adjective cricket Of, or relating to a first class match.
  • adjective programming Of, or relating to a treatment like that for a first-class citizen.
  • proper noun A rank in the Boy Scouts of America, above tenderfoot and second class, that traditionally has required proficiency in scoutcraft skills.


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