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

• undug
• undulancies
• undulancy
• undulant
• undulant fever
• undulant fevers
• undulate
• undulated
• undulately
• undulates
• undulating
• undulatingly
• undulation
• undulationist
• undulationists
• undulations
• undulatory
• undulatus
• undulled
• undulose
• undulous
• unduly
• unduteous
• undutiful
• undutifully