mainline
to inject a narcotic, especially heroin, directly into a vein.
to use or enjoy something without restriction: to mainline on TV movies.
to inject (a narcotic, especially heroin) directly into a vein.
to use, enjoy, or imbibe (something) without restriction: mainlining coffee all day long.
having a principal, established, or widely accepted position; major; mainstream: the membership of mainline churches.
Origin of mainline
1Other definitions for main line (2 of 3)
a principal line or route of a railroad, as contrasted with a branch or secondary one.
a principal highway.
Slang.
a prominent and readily accessible vein of the body that may be used for a narcotic's injection.
the act of mainlining.
Origin of main line
2Other definitions for Main Line (3 of 3)
a fashionable residential district west of Philadelphia.
any fashionable district where socially prominent people live.
Other words from Main Line
- Main-Line, adjective
- Main-Liner, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use mainline in a sentence
Or was he "mainlining the secret truth of the universe" again?
‘True Detective’ Finale Review: Close to Perfection | Andrew Romano | March 10, 2014 | THE DAILY BEAST
British Dictionary definitions for main line
railways
the trunk route between two points, usually fed by branch lines
(as modifier): a main-line station
US a main road
(intr) slang to inject a drug into a vein
having an important position, esp having responsibility for the main areas of activity
Derived forms of main line
- mainliner, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Browse