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pondweed
pone
pong
pongal
pongee
pongid
pongo
poniard
Ponka
pons
pons asinorum
pons Varolii
pont
Ponta Delgada
Pontchartrain, Lake
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pond scum
pond scum


noun 
Definition:
 
floating freshwater algae: green freshwater algae that form a layer on the surface of stagnant water
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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