A brook is a small, fast-flowing stream, while a run is also a term for a small stream, often used regionally. Both are generally smaller than creeks and rivers, but the specific definitions can vary by location.

Definitions of Brook and Run

Brook

  • A brook is a small, fast-flowing stream.
  • It is typically shallower and narrower than a creek.
  • Brooks often have swift currents and are found in rugged terrain.

Run

  • A run is also a small stream, often used in specific regions like parts of the U.S.
  • It is generally considered to be similar in size to a brook or creek.
  • The term “run” can vary in meaning based on local terminology.

Key Differences

FeatureBrookRun
SizeSmall, narrowSmall, similar to a brook
FlowFast-flowingFlow can vary, often slower
TerrainRugged areasVaries, can be in various terrains
Regional UsageCommonly used termSpecific to certain regions

Both brooks and runs are smaller bodies of flowing water, but the terminology can differ based on local customs and geography.