depth finder
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Related to depth finder: depth sounder
depth finder
n.
An instrument used to measure the depth of water, especially by means of ultrasound.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | depth finder - navigational instrument used to measure the depth of a body of water (as by ultrasound or radar) navigational instrument - an instrument used for navigating fathometer, sonic depth finder - depth finder for determining depth of water or a submerged object by means of ultrasound waves |
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