corkline

• cork line

cork +‎ line

corkline (plural corklines)

1. (fishing) The top line of a gillnet, which has attached floats (often, but not always, made of cork) that give that edge of the net buoyancy.
   • 1957, Special Scientific Report: Fisheries - Issue 205, page 5:

     Double corklines, one right-hand lay and one left-hand lay to prevent twisting, were used on all gill nets.

   • 1983, The Code of Federal Regulations of the United States of America:

     The porpoise safety panel shall consist of small mesh webbing not to exceed ¼" stretch mesh extending downward from the corkline and the base of the porpoise apron to a minimum depth equivalent to two strips of 100 meshes of 4¼" stretch mesh webbing.

   • 1993, Dana Stabenow, A Fatal Thaw, →ISBN, page 103:

     The hold was empty, without a net, corkline, leadline or buoy to be found.

• Rocklein, cornlike