hydrographic
adjective
                                                                                                                            
                                                            hy·dro·graph·ic
                    
                                                                                                              
                                                                                                                                  ˌhī-drə-ˈgra-fik 
                                                      
                                                          
            1
                    
                                          
              
          
                                                      : of or relating to the characteristic features (such as flow or depth) of bodies of water                                      
                
                    
2
                    
                                          
              
          
                                                      : relating to the charting of bodies of water                                      
                
                    
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