| Main Entry: | |
| Part of Speech: | noun |
| Definition: | container or area where water is held |
| Synonyms: | bay, bowl, concavity, depression, dip, ewer, gulf, hole, hollow, lagoon, pan, pool, pot, sag, sink, sinkage, sinkhole, tub, valley, vessel, washbasin, washbowl, watershed |
| Main Entry: | drainage basin |
| Part of Speech: | noun |
| Definition: | area for water draining |
| Synonyms: | catchment area, catchment basin, drainage area, watershed |