catchment area vs pond

catchment area

noun
  • An area from which water drains into a particular lake, river, etc.; the catchment area of a large river includes its tributaries. 

  • The area served by a local institution, such as a hospital or school, or by extension, a railway station. 

pond

noun
  • An inland body of standing water of any size that is fed by springs rather than by a river. 

  • The Atlantic Ocean. Especially in across the pond. 

  • An inland body of standing water, either natural or man-made, that is smaller than a lake. 

verb
  • To block the flow of water so that it can escape only through evaporation or seepage; to dam. 

  • To make into a pond; to collect, as water, in a pond by damming. 

  • To form a pond; to pool. 

How often have the words catchment area and pond occurred in a corpus of books? (source: Google Ngram Viewer )