subwatershed
Etymology
From sub- + watershed.
subwatershed means any of several parts of a watershed that drain to a specific location. Lexicurio rates it Rare gem — a strength score of 82 out of 100.
noun
- Any of several parts of a watershed that drain to a specific location.“Model simulations were conducted in the Gwynns Falls Watershed (171 km 2 ), Maryland, USA, a subwatershed that discharges to the Chesapeake Bay. The three streams included in the Pennino et al.”