RAINBOW


Meaning of RAINBOW in English

/ ˈreɪnbəʊ; NAmE -boʊ/ noun

a curved band of different colours that appears in the sky when the sun shines through rain :

all the colours of the rainbow

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WORD ORIGIN

Old English regnboga (see rain , bow (II)).

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.