mainline
2 ENTRIES FOUND:
Britannica Dictionary definition of MAINLINE
chiefly US
:
belonging to an established and widely accepted group or system
-
mainline [=mainstream] churches
2
mainline
/ˈmeɪnˌlaɪn/
verb
mainlines;
mainlined;
mainlining
2
mainline
/ˈmeɪnˌlaɪn/
verb
mainlines;
mainlined;
mainlining
Britannica Dictionary definition of MAINLINE
slang
:
to inject (a drug) directly into a vein
[+ object]
-
addicts mainlining heroin
[no object]
-
His addiction grew worse when he began mainlining.
