river basin, drainage basin, reservoirs, tributary, estuary, aquifer, oxbow, headwater, rivers, headwaters, lake, watersheds, catchment, sediment, groundwater, water, forebay, watercourse, freshwater, embayment, reservior, dam, outfall, waterway, hydrological, wetland, flowage, floodplain, silt, sedimentation, ponds, creek, tailrace, drainage, shallowing, brahmaputra river, canal, orinoco river, titicaca, mudflat, riverbed, amundsen sea, bighorn river, terrane, shoreline, diking, parana river, streambed, murrumbidgee river, polynya, lagoon, millrace, weir, deltaic, alluvial soil, foreland, outwash, headrace, inlet, syr darya, oxbow lake, landmass, parnaiba, amu darya, alluvium, flood plain, tidal basin, subsurface, tailings, paleogene, craton, leachate, spillway, salinity, gravels, riparian forest, coulee, zambezi river, soakaway, freshwater mussel, underflow, inlands, seabeds, bioregion, benthos, rainwater, thermocline, hydrograph, fringing reef, bottomland, sumps, depositional, sluiceway, cistern, estuarine, sudd, estero, tableland, arafura sea, gaillard cut, coastland, catchment area, basins, reef, bay, wadi, quadrangle, valley, shelf, pier, terrace, belt, cavern, delta, ditch, embankment, glacier, transept, trench, caspian, desert, glaciated, mountain, semiarid, adriatic, coast, continental, forested, hilly, intermountain, pennine, treeless, unpopulated, andean, arid, atlantic, barometric, cinder, coastal

baptismal font, baptistery, baptistry, bidet, birdbath, cirque, corrie, cwm, font, handbasin, lavabo, laver, saltpan, stoop, stoup, wash-hand basin, washbasin, washbowl

basinal, basined, basinful, belem, bidet, birdbath, cirque, corrie, cwm, diagrammatically, donetsk, donetske, drainplug, emesis basin, feliz lusitania, handbasin, lavabo, laver, nuttall's oak, nuttall oak, pachyrhizus tuberosus, para, potato bean, quercus nuttalli, saltpan, santa maria de belem, sink, smooth softshell, st. mary of bethlehem, stalino, stoop, stoup, tidal basin, trionyx muticus, uakari, wash-hand basin, wash-hand stand, washbasin, washbowl, washstand, yakut, yam bean

concave shape, concavity, containerful, depression, geographical area, geographical region, geographic area, geographic region, natural depression, vessel

bowl, trough