Related Clues:

• Its mouth is its biggest part
• Coastline feature
• Narrow way
• Coastal feature
• Mooring place
• Arm of the sea
• Río de la Plata, e.g.
• Fjordlike body of water
• Small stream
• Sound, e.g.
• Small bay
• Where a river meets the sea
• Fjord relative
• Narrow water passage
• Strait entry