[trunk line] n (1843) 1: a transportation system (as an airline, railroad, or highway) handling long-distance through traffic
2. a: a main supply channel (as for gas or oil) b: trunk 5b
[trunk line] n (1843) 1: a transportation system (as an airline, railroad, or highway) handling long-distance through traffic
2. a: a main supply channel (as for gas or oil) b: trunk 5b
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012