Fathometer

American  

[fa-thom-i-ter] / fæˈðɒm ɪ tər /

Trademark.

1. a brand of sonic depth finder.

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Fathometer British  

/ fəˈðɒmɪtə /

noun

1. a type of echo sounder used for measuring the depth of water

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Example Sentences

Aboard this vessel was a fancy new depth sounder called a fathometer, which was designed to facilitate inshore maneuvers during beach landings, but Hess realized that it could equally well be used for scientific purposes and never switched it off, even when far out at sea, even in the heat of battle.

From Literature

HMS Echo will have a pretty accurate fathometer - an echo sounder - to determine the depth.

From BBC

We would start a stopwatch when the charge went off and stop it when we heard the return echo on the ship’s fathometer hydrophone.

From Scientific American

At about 34,000 feet we turned on our small fathometer.

From Scientific American

We knew the fathometer was working since we could see reflections from the iron shot we dropped to slow our descent.

From Scientific American