hydrophoren.
/ˈhʌɪdrəʊfɔː/ An instrument for procuring specimens of water from any desired depth, in a river, lake, or ocean.
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society > occupation and work > equipment > earth-moving and excavating equipment > [noun] > dredging equipment
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1842 D. Stevenson Marine Surveying & Hydrometry An apparatus, (to which I have applied the name of the hydrophore).
1842 Mechanics' Mag. 36 307 When the hydrophore is to be used, it is lowered to the required depth by the pole, which is fixed to its side.
1864 in Webster's Amer. Dict. Eng. Lang.
This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2018).
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n.1842