pond 
(p
ŏnd)
n. A still body of water smaller than a lake.
v. pond·ed, pond·ing, ponds
v.intr. To form ponds or large puddles: Debris blocked the culvert, and the stream began to pond.
v.tr.1. To cause to form ponds or large puddles: The landslide ponded the stream.
2. To form ponds or large puddles on (a piece of land).
[Middle English ponde, from Old English pund-, enclosure.]