chain, irons, connection

Radicals

Common words

• 閉鎖【へいさ】
  closing, closure, shutdown, lockout
• 封鎖【ふうさ】
  blockade, lockdown, sealing off (an area), freezing (funds)
• 鎖国【さこく】
  national isolation, closing the country (to foreigners), sakoku, policy of national isolation enacted by the Tokugawa shogunate