What does "landside" mean?

The flat bottom part of a plough.

What is a synonym for "landside"?

Common synonyms include: landward.

adj, noun

adj, noun ·Rare ·Advanced level

Noun

1
The flat bottom part of a plough.
2
component consisting of a side piece opposite the moldboard wordnet
3
The freely-accessible area of an airport, outside of security, passport/immigration, and customs control.

Adjective

1
Inland; away from the sea. not-comparable
2
In the freely accessible area of an airport, outside of security, passport/immigration, and customs control. not-comparable
"I had to remain landside because I did not have a boarding card."

"I had to remain landside because I did not have a boarding card."

From land + -side.