/ ˈsɪrəs; NAmE / noun
[ U ] ( technical ) a type of light cloud that forms high in the sky
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WORD ORIGIN
early 18th cent. (in the sense tendril ): from Latin , literally a curl .
/ ˈsɪrəs; NAmE / noun
[ U ] ( technical ) a type of light cloud that forms high in the sky
••
WORD ORIGIN
early 18th cent. (in the sense tendril ): from Latin , literally a curl .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005