1. 
   Overseeding
   Planting on top of an existing garden or lawn. Rye grass over lawns for winter. Wildflower seed in meadows.
   Found op http://www.emilycompost.com/garden_glossary.htm
   
   
2. 
   overseeding
   (from the article `weather modification`) ...hail damage. Some operations have attempted to put so many nuclei into the supercooled parts of cumulonimbus that they would be almost totally ...
   Found op http://www.britannica.com/eb/a-z/o/42
   
   
3. 
   Overseeding
   When the grass is laid on top of grasses already there, for encouraging new growth or for replacing the existing grass for a new season with a different strain, it is called overseeding.
   Found op http://www.buzzle.com/articles/golf-terminology-glossary-of-golf-terms.html
   
   

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