FRAT
Meaning of FRAT in English
/ fræt; NAmE / noun
( NAmE , informal ) = fraternity (2):
a frat boy (= a member of a fraternity )
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WORD ORIGIN
late 19th cent.: abbreviation.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005