From Longman Dictionary of Contemporary Englishpinwheelpin‧wheel /ˈpɪnwiːl/ noun [countable] American EnglishTBBTA a toy consisting of a stick with curved pieces of plastic at the end which turn around when they are blown SYN windmill British English
Examples from the Corpus
pinwheel• Slice the dough into 9,12, or 18 pinwheels.• The breezes are like a puff of air on a pinwheel.• He remembers selling balloons, pinwheels, and fireman hats to eager youngsters.• Overheada bright pinwheel of paper lanterns had been strung from the trees to the gold-leafed weathervane on the bandstand roof.• She made pinwheels of the whirling stars that had driven many a man mad.