Hydrographer n. One skilled in the hydrography; one who surveys, or draws maps or charts of, the sea, lakes, or other waters, with the adjacent shores; one who describes the sea or other waters.
... these charts had been published in 1766, and now the complete series appeared with sailing directions for the south and east coasts of the islands. Admiral Sir W.J.L. Wharton, the late hydrographer... — The Life of Captain James Cook • Arthur Kitson
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