Related Clues:

• 4th Greek letter
• Firth or fjord
• Narrow sea inlet in Scotland
• Bay or recess
• The fourth Greek letter
• River mouth in the Greek alphabet
• Greek letter at the mouth of the river
• Triangular river mouth
• Fourth letter of Greek alphabet
• Triangular land at mouth of river
• A sea inlet in Scotland
• Triangular patch of land at mouth of river
• Strip of water extending from sea into land
• A small creek or cove
• The fourth Greek letter found at river's mouth