first class noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of first class noun from the Oxford Advanced American Dictionary

first class

noun

[uncountable]

1the best and most expensive seats or rooms on a plane, train, or ship There is more room in first class.

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2the class of mail that is used for letters

See first class in the Oxford Advanced Learner's Dictionary

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