Search gender: all male female Shaichi Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: shaichi Katakana: シャイチ 0 Kanji: 紗一 Meaning: 紗Thin silk. A thin, coarse silk fabric. A veil-like fabric. 一One. The first. Kanji for the number 1 (one). To be the most superior. To begin, to put things together. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Shaichi Name Meaning, Kanji Variations.