'Main' in the Bible

The porch in front of the main hall was 30 feet long, corresponding to the width of the temple, and its height was 30 feet. He plated the inside with pure gold.

He paneled the main hall with boards made from evergreen trees and plated it with fine gold, decorated with palm trees and chains.

the pure gold trimming shears, basins, pans, and censers, and the gold door sockets for the inner sanctuary (the most holy place) and for the doors of the main hall of the temple.

Now Jeroboam had sent some men to ambush the Judahite army from behind. The main army was in front of the Judahite army; the ambushers were behind it.