seal, close; bind; letter · · · seal, close; bind; letter · · Code (Short Name / Abbr) seal, close; bind; letter · · Long Name 2 · · Number of Characters Definition · · Property Characters · 緘 cjk unified ideograph | seal, close; bind; letter U+7DD8 缄 cjk unified ideograph | seal, close; bind; letter U+7F04