prone float; dead-man's float
A swimming technique where one floats face down in the water, often used for resting or survival.
We practiced the prone float in swimming class.
Standard kanji spelling.
Mixed kana-kanji spelling; less common but still used.
Compound of 伏し (ふし, 'lying face down', from verb 伏す) + 浮き (うき, 'floating', from verb 浮く).