1. water that is affected by the rise and fall of tides
2. a coastal region where rivers meet the sea and are affected by tides

1. relating to or located in a tidewater region

Examples

• The boat sailed through the calm tidewater near the harbor.
• Many colonial settlements were established in the tidewater regions of Virginia.
• The tidewater area is known for its rich soil and mild climate.
• Fish migrate between saltwater and tidewater during spawning season.
• The tidewater plantation produced tobacco for export to England.
• Marshes and wetlands are common features of tidewater landscapes.