terra firma[ter′ə fʉr′mə]
terra firma definition by Webster's New World
Origin: Classical Latin
terra firma definition by American Heritage Dictionary
Origin: New Latin : Latin terra, earth + Latin firma, feminine of firmus, solid.
terra firma - Cultural Definition
Dry land, as opposed to the sea: “After our stormy voyage across the Atlantic Ocean, we were relieved to set foot on terra firma.” From Latin, meaning “firm (or solid) ground.”