Added 9 October 2026 terra /ˈtɛɹə/ noun Categories: Uncommon Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about terra at Wordnik → Where our words come from → A geologic and geographic region of a celestial body which is a highland analogous to a continent or large landmass. noun Earth, soil, land, or ground as a physical surface. The material world as opposed to the heavens. A continent or large landmass, especially on another planet or moon; e.g. Arabia Terra or Aphrodite Terra. Related Words: earthgroundlandplanetglobeshoresoilhomehomelandcountryterritoryworld Back to today's word