伏ふし浮うきふしうきMeanings1nounprone float; dead-man's floatA swimming technique where one floats face down in the water, often used for resting or survival.水すい泳えいの授じゅ業ぎょうで伏ふし浮うきの練れん習しゅうをした。We practiced the prone float in swimming class.
