Search gender: all male female Gihachi Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: gihachi Katakana: ギハチ 0 Kanji: 儀八 Meaning: 儀Rituals. Wedding ceremony. Things. Regarding. 八Eight. Eighth. Kanji character for the number 8 (eight). A number one more than seven. A large number of people. It is said to be a lucky number because of its shape. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Gihachi Name Meaning, Kanji Variations.