Search gender: all male female Nagamasu Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: nagamasu Katakana: ナガマス 0 Kanji: 長益 Meaning: 長Long. Long distance or interval. A large range of time. Nurture. advantage. Relaxed. Eldest. Things that are at the top. Something that is useless. 益Increase. Something that is beneficial to people and the world. Something that is useful. Profit. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Nagamasu Name Meaning, Kanji Variations.