dam, fishway, spillway, forebay, river, watercourse, millrace, creek, millpond, groyne, murrumbidgee river, headrace, cofferdam, reservoir, canal, lake, reservior, sluiceway, pontoon, oxbow, jetty, slipway, flume, outfall, coulee, tributary, estuary, culvert, footbridge, catchment, riverbed, diking, freshet, riverbank, lagoon, menai strait, tailrace, sluices, penstock, lockmaster, hatchery, waterway, breakwater, bailey bridge, elver, pond, namoi river, inlet, trestle bridge, flowage, bascule bridge, zambezi river, soakaway, aqueduct, revetment, mudflat, loch linnhe, shoaling, streambed, wharf, billabong, brook, bighorn river, canoeists, welland canal, great dividing range, riprap, levee, waterwheel, landslip, woolshed, solway firth, graving dock, dredging, caledonian canal, causeway, anicut, basin, murrumbidgee, silting, footpath, rapids, sandbanks, spruit, bilge pump, turbidity, smolt, tarn, snowy river, sandbar, towpath, barra, floodplain, coracle, estero, vlei, retaining wall, irrigator, bridge, brahmaputra river, mudflats, embankments, weirs, slab, pier, bar, caisson, chute, palisade, trestle, vane, chimney, dike, coil, crossbar, mill, bottomed, overflow, annular, lined, puddle, slotted, trapezoidal, ballast, closet, inclined, keyhole, plastered, rectangular, semicircular, silted, suction, arched

dam, dike, fence, fencing, levee