Main Line (m n ) A group of suburbs of southeast Pennsylvania. The fashionable area was named after the chief railroad line traveling west from Philadelphia. |
| main line n. 1. A principal section of a railroad line. 2. Slang A principal and easily accessible vein, usually in the arm or leg, into which a drug can be injected. |
main line
n
1. (Transport / Railways) Railways
a. the trunk route between two points, usually fed by branch lines
b. (as modifier) a main-line station
2. (Engineering / Automotive Engineering) US a main road
vb mainline
(Law / Recreational Drugs) (intr) Slang to inject a drug into a vein
adj mainline
having an important position, esp having responsibility for the main areas of activity
mainliner n
Main Line - The principal line of a railway (1841), it also has the meaning "affluent area of residence" (1930s), originally that of Philadelphia, from the "main line" of the Pennsylvania Railroad, which added local stops to a string of backwater towns west of the city in late 19th century that helped turn them into fashionable suburbs.
See also related terms for railway.
ThesaurusLegend: Synonyms Related Words Antonyms
main line - the principal route of a transportation system Translations
main line n (Rail) → linea principale
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