Search gender: all male female Tankai Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: tankai Katakana: タンカイ 0 Kanji: 淡海 Meaning: 淡Pale. Light in color. Not particular. Light and simple. Does not contain salt. Not salty. 海Sea. Wide and large. A place where many people and things gather. A large lake or pond. A large lake or pond. A frontier. The end of the earth. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tankai Name Meaning, Kanji Variations.