Search gender: all male female Kosame Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kosame Katakana: コサメ 0 Kanji: 琥雨 Meaning: 琥A gemstone in the shape of a tiger. A yellow or yellowish-brown stone. 雨Rain. Something that pours down like rain. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kosame Boy Name Meaning, Kanji Variations.