(transitive) To pour water into the soil surrounding (plants). / (transitive) To wet or supply with water; to moisten; to overflow with water; to irrigate.

plural of waterer

One who waters plants. / One who waters down, or dilutes, something. / A device used for watering. / A device from which livestock, poultry, or pets may drink.

plural of watering

(nonstandard) Full of water.

The quality or state of being water.

Water in a gaseous state, especially when diffused in the atmosphere. / Steam.

(idiomatic) To withstand scrutiny or criticism; to be valid.

A large ungulate, widely used as a domestic animal in Asia, South America. North Africa and Europe: Bubalus bubalis. / (US, colloquial) A water tank mounted on a trailer to be towed by a motor vehicle.

(euphemistic) To urinate. / (nautical) To admit water; to leak.