/ fləʊ; NAmE floʊ/ noun
= ice floe
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WORD ORIGIN
early 19th cent. (superseding flake in this sense): probably from Norwegian flo , from Old Norse fló layer.
FLOE
Meaning of FLOE in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005