machicolation /ma-chik-ō-lāˈshən/ (fortification)

1. A space between the corbels supporting a parapet, or an opening in the floor of a projecting gallery, for dropping missiles, molten lead, etc, on an attacking enemy
2. A structure with such openings
3. The provision of such openings or structures

• water jump
• water jumps
• water key
• water keys
• water leaf
• water leaves
• water lemon
• water lemons
• water lens
• water lenses
• waterless
• water level
• water levels
• water lilies
• water lily
• waterline
• waterlines
• waterlog
• waterlogged
• waterlogging
• waterlogs
• Waterloo
• Waterloo cracker
• Waterloos
• water lot