earth (Noun) — The 3rd planet from the sun; the planet we live on. ex. "the Earth moves around the sun"
earth (Noun) — The loose soft material that makes up a large part of the land surface. ex. "they dug into the earth outside the church"
earth (Noun) — The solid part of the earth's surface. ex. "the earth shook for several minutes"
earth (Noun) — The abode of mortals (as contrasted with Heaven or Hell). ex. "it was hell on earth"
earth (Noun) — The concerns of this life as distinguished from heaven and the afterlife.
earth (Noun) — (electricity) a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage).
earth (Noun) — Once thought to be one of four elements composing the universe (Empedocles).
earth (Verb) — Hide in the earth like a hunted animal.
earth (Verb) — Connect to the earth.