watchtower
🇺🇸
/ˈwɑːtʃtaʊər/
🇬🇧
/ˈwɒtʃtaʊə(r)/
A tall structure that people use to keep an eye on a certain area, usually for safety or security reasons.
From the watchtower, the guards could see anyone approaching the castle.
감시탑에서 경비원들은 성에 다가오는 사람을 볼 수 있었습니다.