Underground seam Synonyms

Definitions for Underground


  • (adjective) undertaken or done so as to escape being observed or known by others
  • (adjective) being, situated, or operating beneath the surface of the earth
  • (noun) a secret organization in a conquered country fighting against enemy forces

Synonyms for phrase

US abbreviation

US is an abbreviation for Underground Seam
What does US stand for?
US stands for "Underground Seam"

Seam replaced

Definitions for Seam


  • (verb) to mark with or as if with a line or groove
  • (noun) joint consisting of a line formed by joining two pieces
  • (noun) a slight depression in the smoothness of a surface