English Expression · Intermediate

trunk line

A main railway line which usually forms the backbone of a rail network

Pronunciation: say trunk line

Meaning

A main railway line which usually forms the backbone of a rail network.

Example

But the states were generally concerned with the location of trunk lines and left it to cities and counties to worry about branch lines.

But the states were generally concerned with the location of trunk lines and left it to cities and counties to worry about branch lines.

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