1. channels or passages through which tidal waters flow
Usage: nautical; plural form

Examples

• The boat navigated carefully through the narrow tideways.
• Local fishermen know all the tideways in this coastal area.
• The tideways were marked with buoys to guide vessels safely.
• Strong currents flow through these tideways twice daily.
• The harbor master monitors traffic in the main tideways.
• Small craft should avoid the deeper tideways during rough weather.