/ siˈestə; NAmE / noun
a rest or sleep taken in the early afternoon, especially in hot countries :
to have / take a siesta
—compare nap
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WORD ORIGIN
mid 17th cent.: Spanish , from Latin sexta (hora) sixth hour.
SIESTA
Meaning of SIESTA in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005