Found 2 items, similar to hydrographical.
English → English (WordNet) Definition: hydrographical hydrographical adj : of or relating to the science of hydrography [syn: hydrographic]
English → English (gcide) Definition: Hydrographical Hydrographic \Hy`dro*graph"ic\, Hydrographical \Hy`dro*graph"ic*al\, a. Of or relating to hydrography. [1913 Webster]