[ˈmeɪn lʌɪn], (Noun)

Definitions:
- a chief railway line
(e.g: the crash blocked traffic on the main line)

- a principal vein as a site for a drug injection


Phrases:

Origin:

[ˈmeɪn lʌɪn], (Verb)

Definitions:
- inject (a drug) intravenously
(e.g: Mariella mainlines cocaine five times a day)


Phrases:

Origin: