1. in a manner relating to or occurring on land or earth rather than in water or air
2. in a manner relating to the planet Earth as opposed to other celestial bodies
3. by means of ground-based transmission rather than satellite or cable
Usage: broadcasting

Examples

• The signal was broadcast terrestrially to reach rural areas.
• Many animals live terrestrially while others are aquatic.
• The spacecraft will communicate terrestrially once it returns to Earth.
• Plants grow terrestrially in soil rather than floating in water.
• The television station transmits terrestrially from a tower on the mountain.
• Scientists study how life evolved terrestrially on our planet.