Search gender: all male female クサヤ Japanese Boy Names Variations. 1 names found. gender: all male female Name: kusaya Katakana: クサヤ 0 Kanji: 草矢 Meaning: 草Grass. The beginning of something. A draft of a poem or text. Rough. 矢Arrow. To shoot with a bow. To swear. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > クサヤ Japanese Boy Names Variations.