walled plain

English

Etymology

walled +‎ plain

Pronunciation
  • Rhymes: -eɪn

Noun

walled plain (plural walled plains)

  1. (astronomy) A large impact crater that has a relatively flat floor, surrounded by a wall
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.