Search gender: all male female Kocho Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kocho Katakana: コチョウ 0 Kanji: 虎兆 Meaning: 虎Tiger. A metaphor for something as strong as a tiger. A drunkard. 兆Signs. A harbinger of things to come. Trillion. A unit of number that is 10,000 times 100 million. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kocho Boy Name Meaning, Kanji Variations.