deadbolt
🇺🇸
/ˈdedbəʊlt/
🇬🇧
/ˈdedbəʊlt/
A deadbolt is a strong lock on a door that you can only open with a key. It makes your door more secure.
Before going on vacation, she double-checked that the deadbolt was locked on the front door.
휴가를 가기 전에 그녀는 현관문의 데드볼트 잠금이 잠겨져 있는지 다시 확인했습니다.