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