One entry found for hydrography.

Main Entry: hy·drog·ra·phy
Pronunciation: h-dräg-r-f
Function: noun
1 : the study of bodies of water (as seas, lakes, and rivers) especially in relation to their use by people
2 : the mapping of bodies of water
- hy·drog·ra·pher /-fr/ noun
- hy·dro·graph·ic /h-dr-graf-ik/ adjective