Search gender: all male female Watako Girl Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: watako Katakana: ワタコ 0 Kanji: 航子 Meaning: 航To sail. To sail on water with a ship. To go through the air with an airplane. 子Children Name: watako Katakana: ワタコ 0 Kanji: 綿子 Meaning: 綿Cotton. A long strand. Fine. Small. 子Children You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Watako Girl Name Meaning, Kanji Variations.