(geology) A small earthquake, or seismic event.

(astronomy) Any extrasolar rocky planet several times larger than Earth, especially such a planet detected as it transits its sun.

Alternative spelling of flat-earther

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

Firm or planted in the earth, and difficult to remove.

(astrology) Any of the three star signs Capricorn, Taurus and Virgo.

plural of earth sign

plural of earth tremor

plural of Earth Mother

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