whirr Smith-Hall whirr (subs.): strīdor (the nearest word, but it implies whizzing sound as well): the w. of wings, stridor pennarum, Plin. 11, 29, 35.whirr (v.): strīdeo, di, 2: with w.ing wings, stridentibus alis, Virg. Aen. 1, 397.