From Longman Dictionary of Contemporary Englishfloefloe /fləʊ $ floʊ/ noun [countable] an ice floe
Examples from the Corpus
floe• Out on the harbor the small blue ice floes were turning pink.• But there were no ice floes around today.• Eider ducks bobbed offshore, dodging the ice floes.• They have become so successful that even former seal hunters now guide travelers on the ice floes.• Who would ever have imagined satellites entirely covered with ice floes, or volcanos spurting sulfur a hundred kilometers into space?• There the whales deliberately tilt the floes so that seals slide off into the water and into the jaws of their attackers.Origin floe (1800-1900) Probably from Norwegian flo “flat layer” 