Related Clues:

• Plunger's target
• Embankment
• Electricity source
• Three Gorges project
• Farm female
• Become obstructed
• Slip-on shoe
• It'll hold water
• One that's holding back?
• Impede
• Stopping point
• Part of a horse's pedigree
• Wooden-soled shoe
• Block
• Equine mother