loudhailer
🇺🇸
/ˌlaʊdˈheɪlər/
🇬🇧
/ˌlaʊdˈheɪlə(r)/
A device that amplifies your voice, shaped like a cone, and used for public speaking or making announcements.
The coach used a loudhailer to give instructions to the team during the match.
코치는 경기 중 팀에 지시를 내리기 위해 루더헤일러를 사용했습니다.