Water course refers to a channel or pathway through which water flows. There are various synonyms for water course, including stream, river, brook, creek, waterway, canal, and channel. A stream refers to a small body of flowing water, while a river is a larger and wider waterway that generally leads to the sea. Brook and creek are synonyms for a small stream, while a waterway is a navigable stretch of water. A canal is a man-made watercourse created for transportation or irrigation purposes, while a channel is a natural or man-made passage for water. Synonyms for water course can vary depending on the size, function, and geography of the water feature.