Earth meaning : The third planet of the Solar System; the world upon which humans live. The personification of the Earth or earth, as a fertile woman or goddess. Soil. Any general rock-based material. The ground, land (as opposed to the sky or sea). A connection electrically to the earth ((US) ground); on equipment: a terminal connected in that manner. The lair (as a hole on the ground) of an animal such as fox. A region of the planet; a land or country. Worldly things, as against spiritual ones. The world of our current life (as opposed to heaven or an afterlife). The people on the globe. The human body. The aforementioned soil- or rock-based material, considered one of the four or five classical elements. Any of certain substances now known to be oxides of metal, which were distinguished by being infusible, and by insolubility in water. To connect electrically to the earth. To bury. To burrow.