sudd(redirected from Suud)
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A floating mass of vegetation that obstructs navigation in tropical rivers, found chiefly in upper portions of the Nile River.
(Botany) floating masses of reeds and weeds that occur on the White Nile and obstruct navigation
[C19: from Arabic, literally: obstruction]
(in the White Nile) floating vegetable matter that often obstructs navigation.
[1870–75; < Arabic: literally, obstruction]