sudd /sud/

1. A mass of vegetation floating on water in NE Africa, particularly on the White Nile where it may obstruct navigation
2. A temporary dam

• naturalness
• naturalnesses
• natural numbers
• natural order
• natural person
• natural philosopher
• natural philosophers
• natural philosophies
• natural philosophy
• natural radioactivity
• natural religion
• natural resins
• natural resources
• naturals
• natural scale
• natural scales
• natural science
• natural sciences
• natural selection
• natural system
• natural theologies
• pedestrian crossing
• pedestrian crossings
• pedestrian deck
• pedestrianisation