Hydrography

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hydrography \Hy*drog"ra*phy\, n. [Hydro-, 1 + -graphy: cf. F.
     hydrographie.]
     1. The art of measuring and describing the sea, lakes,
        rivers, and other waters, with their phenomena.
        [1913 Webster]
  


     2. That branch of surveying which embraces the determination
        of the contour of the bottom of a harbor or other sheet of
        water, the depth of soundings, the position of channels
        and shoals, with the construction of charts exhibiting
        these particulars.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  hydrography
       n : the science of the measurement and description and mapping
           of the surface waters of the earth with special reference
           to navigation