How to Use "mainline" with Example Sentences

1. An instruction that causes the program to branch from the mainline program to the starting address of a subroutine .
2. While it has bought non-boeing planes for its American Eagle regional jet fleet , American , as its name suggests , prefers American-made aircrafts for its mainline fleet .
3. The project X codeline was spawned from the mainline .
4. Instead , changes in team A work should flow to the mainline and then down to team B work .
5. He took a taxi straight to the mainline station .