In electricity, earth means a safe metal part or wire that connects electricity to the ground to stop electric shocks.
The electrician connected the wire to earth.
Always earth the device before use.
As a verb, to earth means to cover plants or objects with soil or earth. Farmers often do this to help plants grow.
Farmers earth potatoes in the field.
They earthed the plants carefully.
Earth can mean the outer layer or crust on a metal or mineral. This use is less common and often technical or old-fashioned.
The metal showed a layer of earth on it.
The earth of the rock was rough.
To earth something in electrical work means to connect it safely to the ground to avoid electric shock. This is a safety action.
The machine must be earthed during installation.
You should earth all metal parts to stay safe.
Earth is used in phrases meaning to face reality or facts. It means seeing the true situation clearly, often after dreaming or being hopeful.
Let’s get down to earth and face facts.
She was brought back down to earth quickly.