(uncountable) A substance that exists as a clear liquid at room temperature and pressure, naturally occurring as rain, rivers, lakes, and seas, with solid form as ice and gaseous form as steam, and can be referred to as liquid h2o or 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.

A combination of water and other substances, including mineral water, spa water, a solution in water of a gaseous or volatile substance, urine, amniotic fluid or the amniotic sac, and fluids in the body causing swelling.

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

(colloquial, figurative) A person's intuition.

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.

(transitive) To pour water into the soil surrounding (plants).

(transitive) To wet or supply with water; to moisten; to overflow with water; to irrigate.

(transitive) To provide (animals) with water for drinking.

(intransitive) To get or take in water.

(transitive, colloquial) To urinate onto.

(transitive) To dilute.

(intransitive) To fill with or secrete water.

(transitive) To wet and calender, as cloth, so as to impart to it a lustrous appearance in wavy lines; to diversify with wavelike lines.