The science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation.

Roget 341: sea, ocean, main, deep, brine, salt water, waves, billows, high seas, offing, great waters, watery waste, vasty deep;" wave, tide, etc. (water in motion) 348.    hydrography, hydrographer; Neptune, Poseidon, Thetis, Triton, Naiad, Nereid; sea nymph, Siren; trident, dolphin.    ... show more

Dutch: hydrografie