Definitions

1. noun

A line marking the lowest point of the surface of the ground, used as a reference in surveying or construction.

“The engineer used the groundline to check the foundation’s level.”

2. noun

The lowest or most basic level of something, such as a person’s skills or abilities.

“She struggled to find her groundline after losing her job.”

3. noun

A reference point or a line used as a guide in various activities, such as sports or navigation.

“The coach explained the groundline to the players during the training session.”

4. verb

To establish or set a reference point or a line, especially for surveying or construction purposes.

“The surveyor had to groundline the site before starting the project.”