| Main Entry: | basin |
| 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: | landmark |
| Part of Speech: | noun |
| Definition: | turning point |
Synonyms: |
crisis, event, milepost, milestone, stage, watershed, waypost |
| Main Entry: | drainage basin |
| Part of Speech: | noun |
| Definition: | area for water draining |
Synonyms: |
catchment area, catchment basin, drainage area, watershed |