海水

Noun

 * 1) seawater; ocean water

Etymology
From 海 (kai, "sea," "ocean") + 水 (sui, "water," "cold water").

Noun

 * 1) seawater

Derived terms

 * : men's bathing suit
 * : seawater temperature
 * : saltwater fish
 * : bathing suit
 * : bathing cap
 * : sea bathing
 * : swimming area