What is kanji for kai?

The kanji for "kai" in Japanese is "海" which means "sea" or "ocean". It is composed of two radicals: "氵" which represents water, and "𠂤" which represents a shell or cone-shaped object, often depicted as a seashell. This kanji is commonly used in Japanese language to refer to the sea or ocean, as well as in compound words such as "kaigai" (overseas) and "kaitei" (deep sea).