Dictionary 1. (n.) An artificial reservoir or tank for holding water, beer, or other liquids.2. (n.) A natural reservoir; a hollow place containing water. Thesaurus artificial lake bayou lake dam dead water dike etang farm pond fishpond freshwater lake glacial lake inland sea lagoon laguna lake lakelet landlocked water linn loch lough mere millpond millpool nyanza oxbow lake plash pond pondlet pool puddle reservoir salina salt pond stagnant water standing water still water sump tank tarn tidal pond volcanic lake water hole water pocket well |