Definition of trunk line in English:

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trunk line

Pronunciation: /ˈtrəNGk ˌlīn/


A main line of a railroad, telephone system, or other network.
Example sentences
  • It was the junction of the main trunk line to New Plymouth, to Auckland and Wellington.
  • Once we left the trunk line and entered an unpaved road, there were hardly any vehicles.
  • This was the key trunk line between Philadelphia and Pittsburgh, which also linked those cities to larger rural markets.

For editors and proofreaders

Syllabification: trunk line

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