Definition, Meaning & Synonyms | English word MAINLINE

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Definitions of MAINLINE

1. Normal, principal or standard.
2. (rail transport) Of or pertaining to the principal route or line of a railway.
3. (rail transport) Of or pertaining to a surface railway as distinct from an underground, elevated or light rail one.
4. (chess) Of a sequence of opening moves: being part of a main line ("a standard sequence of opening moves considered to be best play").
5. (slang) To inject (a drug) directly into a vein.
6. (by extension, informal, transitive) To consume voraciously.
7. (computing, transitive) To integrate (code, etc.) into the main repository for a software project, rather than separate forks.
8. (aviation) An airline's main operating unit, as opposed to codeshares or regional subsidiaries.
9. (rail transport) The principal route or line of a railway.
10. (fishing) In longline fishing the central line to which the branch lines with baits are attached.
11. (plumbing) The pipeline carrying wastewater to the public drains or a septic tank.
12. (slang) A principal vein into which a drug can be injected.
13. (computing) The main repository for a software project, from which different versions (forks) may be split off.
14. (chess) Alternative form of main line.

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