sounder

/ˈsaʊndər/
noun
  1. A device that makes a sound, especially as a signal or alarm.
    • The alarm system includes a loud sounder that can be heard throughout the building.
    • The ship's foghorn is a powerful sounder used in low visibility.
    • The smoke detector's sounder went off when the toast burned.
  2. A group of wild boar or similar animals.
    • A sounder of wild boar was rooting through the forest floor.
    • In the early morning, a sounder of peccaries crossed the trail.
    • The hunter spotted a sounder of pigs near the riverbank.
  3. A person or thing that measures depth, especially of water, using sound (as in a depth sounder).
    • The boat's sounder showed the water was only ten feet deep.
    • Modern fish finders combine a sounder with a GPS unit.
    • The fisherman used a depth sounder to find the best spot to cast his line.
Synonyms
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