Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| aboideau | (Fr.) a tide gate. |
| aboiteau | (Fr.) a tide gate. |
| acequia | (Spanish) an irrigation ditch. |
| adjutage | (Fr.) a tube added to or inserted into an aperture to control the outflow of water, as a pipe at the mouth of an artificial fountain. |
| ajutage | (Fr.) a tube added to or inserted into an aperture to control the outflow of water, as a pipe at the mouth of an artificial fountain. |
| anicut | (Tamil) a dam or mole made in the course of a stream for the purpose of regulating the flow of a system of irrigation. |
| annicut | (Tamil) a dam or mole made in the course of a stream for the purpose of regulating the flow of a system of irrigation. |
| balneary | a bath; a bathing-place; a medicinal spring. |
| boathouse | a place for keeping boats. |
| breakwall | a protective wall built offshore and usually parallel to the shore. |
| breakwater | a protective wall built offshore and usually parallel to the shore. |
| canal | an artificial watercourse, esp for navigation; (verb) to dig an artifical waterway through. |
| catchwater | a drain or ditch for collecting surface or surplus water. |
| cesspool | a pit or pool for collecting sewage or filthy water. |
| cistern | an artificial reservoir for storing water, esp one in the roof-space of a house etc. |
| condie | a covered drain. |
| culvert | an arched construction or channel enclosing a drain or watercourse beneath a road, railway, etc; (verb) to channel a stream through a culvert. |
| cundy | a covered drain. |
| dam | an embankment to restrain water; (verb) to restrain water with an embankment or bank. |
| dockisation | the act of dockising. |
| dockise | to convert into docks. |
| dockization | the act of dockizing. |
| dockize | to convert into docks. |
| downspout | (US) a drainpipe. |
| drainage | the act of draining. |
| drainpipe | a pipe used for carrying off surplus water. |
| drywell | a type of sewage disposal system. |
| dyke | a trench, or the earth dug out and thrown up; (verb) to build a dyke. |
| empolder | to make a polder of. |
| falaj | (Arabic) an irrigation channel, esp in Oman. |
| fanal | (Arch.) a lighthouse, a beacon. |
| flashboard | one of a set of boards set up at the sides of a water channel to deepen it. |
| floodgate | a gate for allowing or stopping the flow of water, a sluice or lock gate. |
| floodwall | a wall built as a protection against floods etc. |
| flume | an artificial water-channel; (verb) to convey by this. |
| forebay | a reservoir from which water is taken to run equipment. |
| fracking | the process of forcing liquid containing sand or other material into the strata round a well bottom to split them and prevent them closing. |
| gare | (Scots) greedy, miserly; (noun) a dock-basin on a waterway. |
| groyne | a wooden breakwater. |
| gutter | slum life (verb) to form channels for draining off water |
| headgate | a gate to control the flow of water. |
| headrace | the channel leading to a waterwheel. |
| hydrant | an outlet from a water main. |
| irrigative | relating to irrigation. |
| jawbox | (Scots) a sink. |
| jawhole | (Scots) a cesspool; a sewer entrance. |
| koker | (Dutch) in Guyana, a sluice-gate. |
| leat | a millstream. |
| lockage | materials for locks in a canal, or the works forming a lock or locks. |
| milldam | a dam or mound to obstruct a water course, and raise the water to a height sufficient to turn a mill wheel. |
| millpond | a pool formed by damming a stream to provide water to turn a millwheel. |
| millrace | the current of water that turns a millwheel. |
| millrun | the current of water that turns a millwheel. |
| millstream | a stream whose flow is utilized to run a mill. |
| milltail | the channel in which water runs away below a millstream, aka tailrace. |
| millwheel | a waterwheel that drives a mill. |
| moatlike | like a moat. |
| nonirrigated | not irrigated. |
| penstock | a close conduit or pipe for conducting water, as, to a waterwheel. |
| phare | a lighthouse or beacon. |
| pharos | (Greek) a lighthouse or beacon. |
| pier | a structure extending from land out over water. |
| ponton | a float, a bridge of boats. |
| pontoon | a float, a bridge of boats; the floating gate of a dock; (verb) to cross a river by means of pontoons. |
| pumphouse | a building in which are housed pumps that supply e.g. an irrigation system. |
| puteal | a wall round the top of a well. |
| qanat | (Arabic) an underground tunnel for carrying irrigation water. |
| quai | (Fr.) a quay. |
| quay | a wharf for the loading or unloading of vessels. |
| quaylike | like a quay. |
| quayside | the side of a quay, a wharf for the loading or unloading of vessels. |
| rean | a drainage channel. |
| reen | a drainage channel. |
| rhine | a drainage channel. |
| rhyne | a drainage channel. |
| rigol | a gutter or water-channel. |
| rigoll | a gutter or water-channel. |
| seawall | a wall at the shore and parallel to it for protection against wave erosion. |
| seawalled | having a SEAWALL. |
| sesspool | a pit or pool for collecting sewage or filthy water. |
| sewer | a channel (esp underground) for receiving the discharge from house-drains and streets; (verb) to provide with sewers. |
| sewerage | a sewage system. |
| sheuch | (Scots) a ditch or drain; (verb) to plant temporarily. |
| sheugh | (Scots) a ditch or drain; (verb) to plant temporarily. |
| siver | (Scots) a drain; a grating over a drain. |
| sluice | a structure with a gate for stopping or regulating flow of water (verb) to wash with a sudden flow of water |
| sluicelike | like a sluice. |
| sluiceway | an artificial channel into which water is let by a sluice. |
| sluse | (Milton) a sluice. |
| spillway | a sluiceway or passage for superfluous water in a reservoir, to prevent too great pressure on the dam. |
| stagehead | (Canadian) the part of a fishing stage which extends over the water. |
| standpipe | a pipe for supplying water. |
| stean | to line eg a well with stone. |
| steen | to line eg a well with stone. |
| stein | to line eg a well with stone. |
| stopbank | in New Zealand, an embankment to prevent flooding. |
| sure | certain (verb) to provide with sewers |
| surely | (Adv.) SURE, certain. |
| syver | (Scots) a drain; a grating over a drain. |
| tailrace | the channel in which water runs away below a millstream. |
| tailwater | water below a dam or waterpower development. |
| thermae | (Lat.) hot springs or baths, esp in ancient Rome. |
| thorough | complete (prep.) through; (noun) a manmade channel; a drainage ditch |
| tidemill | a water-mill driven by the tide. |
| tubewell | a water well in which a long steel tube is bored into an underground aquifer. |
| turncock | a valve for regulating water flow. |
| underdrain | to drain by deep underground ditches. |
| utilidor | an insulated system of pipes for use in arctic regions. |
| wasteway | a channel for excess water. |
| wasteweir | a sluiceway or passage for superfluous water in a reservoir, to prevent too great pressure on the dam, aka a spillway. |
| watercourse | a natural or artificial channel through which water flows. |
| watergate | a gate of a town or castle opening on to a lake, river, or sea. |
| weir | a low dam that is built across a river to raise the water level, divert the water, or control its flow; (verb) to wear. |
| wellcurb | the raised edge round a well. |
| wellhouse | a structure above a well, housing the windlass. |
| zanja | (Spanish) an irrigation canal in Latin America. |