linesider

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

• (sense 2): from lineside +‎ -er.

linesider (plural linesiders)

1. A fish, the striped bass.
   • 2007 June 23, Norm Zeigler, “The Low-Profile Westport River Offers a High Yield of Fish”, in New York Times‎:

     These were chunky, feisty linesiders; most were between 20 and 24 inches.

2. A person by the lineside, often for the purpose of observing and photographing trains.
   • 2024 February 7, Philip Haigh, “Railway's fragile resilience”, in RAIL, number 1002, page 3:

     RAIB will be looking at how train operations are managed in adverse weather. It will also examine how the railway manages information from members of the public that relates to railway safety. This follows reports that a linesider telephoned the railway to warn of the fallen tree before the train struck it.

• line-dries, sideliner