- tidewater - low-lying coastal land drained by tidal streams
--1 is a kind of coastal plain
--1 has parts: tidal river, tidewater river, tidal stream, tidewater stream- Tidewater - the coastal plain of the South: eastern parts of Virginia and North Carolina and South Carolina and Georgia
--2 is a kind of geographical area, geographic area, geographical region, geographic region
--2 is a part of South - Tidewater - the coastal plain of the South: eastern parts of Virginia and North Carolina and South Carolina and Georgia