The word Pecatonica is an anglicization of two Algonquian language words: Bekaa (or Pekaa in some dialects), which means "slow", and niba, which means "water", forming the conjunction Bekaaniba or "Slow Water".
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |
The Chippewa, Black, La Crosse, Kickapoo, Baraboo, Lemonweir, Pine, Wisconsin, Grant, Platte and Pecatonia rivers and their tributaries create deeply eroded valleys that contrast the nearby peaks.
The Pecatonica River mayfly, Acanthometropus pecatonica, was a species of insect in the family Siphlonuridae.