mainline

Adj

1. (not-comparable) Normal, principal or standard.
2. (not-comparable) Of or pertaining to the principal route or line of a railway.
3. (not-comparable) Of or pertaining to a surface railway as distinct from an underground, elevated or light rail one.
4. (not-comparable) Of a sequence of opening moves: being part of a main line ("a standard sequence of opening moves considered to be best play").

Verb

1. (slang) To inject (a drug) directly into a vein.
2. (broadly, informal, transitive) To consume voraciously.
3. (transitive) To integrate (code, etc.) into the main repository for a software project, rather than separate forks.
4. (transitive) To include (a prisoner) in the general population of a prison.

Noun

1. An airline's main operating unit, as opposed to codeshares or regional subsidiaries.
2. The principal route or line of a railway.
3. In longline fishing the central line to which the branch lines with baits are attached.
4. The pipeline carrying wastewater to the public drains or a septic tank.
5. (slang) A principal vein into which a drug can be injected.
6. The main repository for a software project, from which different versions (forks) may be split off.
7. (alt-of, alternative) Alternative form of main line.
8. The general population of a prison.

Pronounced as (IPA)

/ˈmeɪnˌlaɪn/

Etymology

From main + line.

Synonyms

basic

inject

mainstream

chief

fundamental

orthodox

pivotal

primary

prime

shoot

main force

main current

chief object

ancestry

skin pop

bottom

central

Translations

linea principale

orthodoxe

Hauptlinie

rechtgläubig

strenggläubig

zentral

Hauptstrom

mittel

Hauptfluss

Hauptmacht

Hauptkräfte

orthodox

bucarsi

طبيعي

رئيسي