narrows (n.)

• arm
• armlet
• bay
• bayou
• belt
• bight
• bottleneck
• canal
• channel
• cove
• creek
• defile
• estuary
• fjord
• frith
• gulf
• gut
• harbor
• inlet
• isthmus
• loch
• mouth
• narrow
• neck
• pass
• reach
• road
• roads
• roadstead
• sound
• strait
• straits
• throat