noun
Refers to salt produced from seawater, often by evaporation. A traditional term, less common in everyday conversation than 塩.
昔はこの海岸で波の花を作っていた。
Long ago, they used to make salt from seawater on this beach.
noun
crest of a wave; wave crest; whitecaps
Poetic or literary term for the white, frothy crest of a wave, often compared to flowers. Also used for the flower-like patterns formed by waves in the Japan Sea during winter.
冬の日本海では、波の花が美しい。
In winter, the whitecaps on the Japan Sea are beautiful.