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

• concavity
• concavo-concave
• concavo-convex
• conceal
• stir up a hornet's nest
• stir up a hornets' nest
• stishie
• stishovite
• stitch
• stitchcraft
• stitchcrafts
• stitched
• stitcher
• stitcheries
• stitchers
• stitchery
• stitches
• stitching
• stitchings
• stitch up
• stitch-up
• stitchwork
• stitchworks
• stitchwort
• stitchworts