sounder (EN)

名詞

名詞 “sounder”

1. 音を出す装置・人
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   The alarm system was equipped with a loud sounder to alert everyone in case of a fire.
2. 音響信号を用いる電信機
   The telegraph operator listened intently to the clicks of the sounder to decode the message.
3. 水深を測る道具（水深計）
   The captain used a sounder to measure the depth of the water before anchoring the ship.
4. 水深を測る人（水深測定者）
   The sounder on board took regular depth measurements to ensure we were navigating safely.
5. 猪の群れ
   We spotted a sounder of wild boar foraging in the forest clearing.