Definition of "hydrography"
hydrography
/haɪˈdɹɒɡ.ɹə.fi/
noun
countable and uncountable, plural hydrographies
(nautical) The scientific measurement and description of the physical features and conditions of navigable waters and the shoreline.
countable and uncountable, plural hydrographies
(nautical) The scientific measurement and description of the physical features and conditions of navigable waters and the shoreline.