a swimming stroke in which the arms are plunged forward together in large circular movements
butterfly stroke in American English
a swimming stroke performed face down, in which both arms are thrust out at the sides at the same time, brought forward out of the water and then downthrough the water in a circular motion, while using an up-and-down leg movement
Examples of 'butterfly stroke' in a sentence
butterfly stroke
Someone was swimming toward her, doing a splashing butterfly stroke.