n. a fisherman or fishing boat making the largest catch during a specified time.
See also: highliner
- 1890  Always "high line," he was always "filled up" with the split mackerel of the North Bay.
- 1899  The Annie Greenlaw is commanded by Capt John Greenlaw, one of the smartest and best-known skippers in the haddocking fleet, who is certainly high line of the fleet this year.