Towards or in the direction of the earth.

Of global consequence or importance / Very loud

Any structure made from earth; especially an embankment or rampart used as a fortification.

Confined to the Earth; unable to leave Earth, either physically or spiritually. / Unimaginative or mundane. / Heading towards Earth.

(rare, science fiction, nonstandard) A person or thing from planet Earth; an Earthling.

(rare, science fiction, nonstandard) Of or from planet Earth.

(science fiction) A person from planet Earth.

Alternative spelling of flat-earther

A person who believes or advocates the theory that the planet Earth is flat.

The study of the behavior of buildings and structures subject to seismic loading