MAIN LINE
(noun)Definitions
There is 1 meaning of the phrase
Main Line.
Main Line - as a noun
The principal route of a transportation system
Example Sentences
"The main line of the story is focused on the protagonist's journey."
"The main line of the railway system connects the major cities."
"The main line of the telephone network provides reliable communication."
"The main line of the company's business is manufacturing automobiles."
"The main line of the argument presented in the book is highly persuasive."