1. The process of connecting electrical equipment or a circuit to the ground (earth) to ensure safety by preventing electric shocks
   "Proper earthing is essential for electrical safety in buildings";
   - grounding

1. [Brit] Connect to the earth
   "earth the circuit"
    
2. Hide in the earth like a hunted animal
   "The fox earthed itself to escape the hounds"

Type of: attachment, fastening, ground, hide, hide out [informal]

Encyclopedia: Earthing