main line
Definition from Wiktionary, the free dictionary
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English [edit]
Noun [edit]
main line (plural main lines)
- The principal route or line of a railway.
- (fishing) In longline fishing the central line to which the branch lines with baits are attached.
- (slang) A principal vein into which a drug can be injected.
Related terms [edit]
Translations [edit]
fishing: central line of a longline
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