1. (

• water ,
• H2O

) binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent ;

2. (

• body_of_water ,
• water

) the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge" ;

3. (

• water ,

) once thought to be one of four elements composing the universe (Empedocles) ;

4. (

• water_system ,
• water_supply ,
• water

) a facility that provides a source of water; "the town debated the purification of the water supply"; "first you have to cut off the water" ;

5. (

• urine ,
• piss ,
• pee ,
• piddle ,
• weewee ,
• water ,

) liquid excretory product; "there was blood in his urine"; "the child had to make water" ;

6. (

• water

) a liquid necessary for the life of most animals and plants; "he asked for a drink of water" ;

1. (

• water ,
• irrigate

) supply with water, as with channels or ditches or streams; "Water the fields" ;

2. (

• water

) provide with water; "We watered the buffalo" ;

3. (

• water

) secrete or form water, as tears or saliva; "My mouth watered at the prospect of a good dinner"; "His eyes watered" ;

4. (

• water ,

) fill with tears; "His eyes were watering" ;