#river a large natural stream of water (larger than a creek); "the river was navigable for 50 miles"
supertype: stream__watercourse a natural body of running water flowing on or under the earth
subtype: Aare_River Alabama_River Allegheny_River Araguaia_River Aras Arauca Arkansas_River Upper_Avon Avon.river Cape_Fear_River Chao_Phraya Charles_River Chattahoochee_River Colorado_River Colorado_River.Texas Columbia_River Congo_River Connecticut_River Cumberland_River Delaware_River Dnieper_River Don_River Elizabeth_River Flint_River Gan_Jiang Garonne_River Green_River Housatonic_River Hudson_River Illinois_River Irrawaddy_River James_River James Kansas_River Kasai_River Klamath_River Mackenzie_River Merrimack_River Mississippi_River Missouri_River Mobile_River Monongahela_River Murray_River Namoi_River Nan_River Neva_River Niger_River North_Platte_River Ohio_River Orange_River Parnaiba Penobscot_River Ping_River Rhine_River Ruhr_River Saale_River Sacramento_River Sambre_River Savannah_River Scheldt_River River_Severn Severn Seyhan_River Shari_River
instance: Jordan_River River_Acheron River_Adige River_Aire Amazon_River Amur_River Apalachicola_River River_Arno Bighorn_River Brahmaputra_River Brazos_River Canadian_River Cimarron_River River_Cocytus Danube_River Darling_River Ebro_River Elbe_River Euphrates_River Ganges_River Gila_River Huang_He Indus_River Irtish_River Isere_River Kanawha_River Kura_River Lena_River River_Lethe Limpopo Little_Bighorn_River Little_Missouri_River Loire_River Madeira_River Mekong_River Meuse_River Milk_River Neckar_River Neosho_River Niagara_River Nile_River Niobrara_River Ob_River Oder_River Orinoco_River Osage_River Ouachita_River Parana_River Pecos_River Pee_Dee_River Platte_River Po_River Potomac_River Purus_River Red_River Republican_River Rhone_River Rio_Grande Sabine_River Saint_Francis_River Saint_Johns_River Saint_Lawrence_River Salmon_River Saone_River Seine_River Snake_River South_Platte_River River_Styx Suriname_River Susquehanna_River Tagus_River Tennessee_River Thames_River Tiber Tigris_River Tocantins_River Tombigbee_River River_Tyne Vistula_River Volga_River Volkhov_River Wabash_River White_River Willamette_River Wisconsin_River Yalu Chang_Jiang Yazoo_River Yellowstone_River Yenisei_River Yukon_River Zambezi_River Zhu_Jiangi
part of: water_system
part: estuary the wide part of a river where it nears the sea; fresh and salt water mix
part: rapid a part of a river where the current is very fast
part: waterfall__falls__fall__cascade__cataract a steep descent of the water of a river
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