Save Gender Masculine Usage Chinese Scripts 玉刚, 玉钢, 余刚, etc.(Chinese) 玉剛, 玉鋼, 余剛, etc.(Traditional Chinese) Pronounced Pron. /y.kaŋ/ [key·simplify] Meaning & History From Chinese 玉 (yù) meaning "jade, precious stone, gem" or 余 (yú) meaning "surplus" combined with 刚 (gāng) meaning "hard, rigid, strong" or 钢 (gāng) meaning "steel". Other character combinations can form this name as well.