water

(uncountable, in particular) The liquid form of this substance: liquid H₂O.

(countable) A serving of liquid water.

(alchemy, philosophy) The aforementioned liquid, considered one of the Classical elements or basic elements of alchemy.

(uncountable or in the plural) Water in a body; an area of open water.

(poetic, archaic or dialectal) A body of water, almost always a river.

(sometimes countable) Mineral water.

(countable, often in the plural) Spa water.

(pharmacy) A solution in water of a gaseous or readily volatile substance.

Urine.

Amniotic fluid or the amniotic sac containing it. (Used only in the plural in the UK but often also in the singular in North America. (The Merriam-Webster Medical Dictionary says "often used in plural; also: bag of waters".))

(colloquial, medicine) Fluids in the body, especially when causing swelling.

(figuratively, in the plural or in the singular) A state of affairs; conditions; usually with an adjective indicating an adverse condition.

(colloquial, figuratively) A person's intuition.

(uncountable, dated, finance) Excess valuation of securities.

The limpidity and lustre of a precious stone, especially a diamond.

A wavy, lustrous pattern or decoration such as is imparted to linen, silk, metals, etc.