Definitions from Wiktionary (Blackwater)

▸ noun:  Water, especially in a river or other body of water, that has a naturally dark appearance.
▸ noun:  Water that contains dark organic matter such as loam or tannins.
▸ noun:  (river classification) Water that is acidic and low in nutrients.
▸ noun:  Blackwater fever; malaria caused by Plasmodium falciparum.
▸ noun:  Waste from domestic toilets; water containing fecal matter.
▸ noun:  A surname from Navajo used by the Navajo people.
▸ noun:  A river in Essex, England, which flows into the North Sea at Bradwell.
▸ noun:  A river in Hampshire, Surrey and Berkshire, England, which joins the River Loddon; the Hampshire town of Blackwater is on this river.
▸ noun:  A river in Wiltshire and Hampshire, England, which joins the River Test.
▸ noun:  A village near St Agnes, Cornwall.
▸ noun:  A town in Blackwater and Hawley parish, Hart district, Hampshire, England (OS grid ref SU8559).
▸ noun:  A village in Arreton parish, Isle of Wight, England (OS grid ref SZ5086).
▸ noun:  Any of several rivers in Ireland:
▸ noun:  A river in County Fermanagh and County Armagh, Northern Ireland, with a stretch on the border with County Monaghan, Ireland; the river flows into Lough Neagh.

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