“depth-finder”

We have one entry that includes the term depth-finder.

sonic depth finder

noun

: an instrument for determining the depth of a body of water or of an object below the surface by measuring the interval of time between the emission of a sound signal and the return of its echo from the bottom or the object

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  • any of a genus helianthus especially h annuus of new world composite plants with large yellow rayed flower heads bearing edible seeds that yield an edible oil
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