main line

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main line

1. Railways
a. the trunk route between two points, usually fed by branch lines
b. (as modifier): a main-line station
2. US a main road

Main Line

 

(Russian, magistral’; from Latin magistralis, “leading”).

(1) The main route, the primary line in communications (railroad main line, waterway main line).

(2) A wide and heavily traveled street in a large city.

(3) The main cable or wire in an electrical circuit or in tele-graph and telephone communications.

(4) The main pipe in a sewerage line or water system.

References in periodicals archive ?
British Rail completed the East Coast main-line project in 1991, enabling electric trains to run from London King's Cross to Edinburgh.
Main-line environmental groups today are small lobbies staffed by professionals --many of whom are lawyers.
DELAYS on the trains are nothing new and perhaps that explains why there are so many delays in making decisions on the future of the railways, especially our main-line services up to Paddington.