Related Clues:

• It leaves its mark on the beach
• Turning point
• Allies' foe
• Graph line
• Something underfoot?
• Central line
• Seafood selection
• Line of symmetry
• Coastal catch
• x or y, e.g.
• x, y or z
• Stem
• Unmatched
• Allies' foe in W.W. II
• Pivotal point