part of is part of part of geographic feature hydrographic feature FTT:761 FTT:131 envoPolar FTT:280 A geographical feature associated with water. FTT:828 FTT:829 Geonames:H.OVF FTT:824 FTT:825 fluvial feature FTT:826 FTT:827 FTT:711 water body system