Dictionary of Ichthyology  

fighting chair = a chair bolted to the deck of a boat, having a foot rest, a gimbaled socket for the rod but and a harness attached to the rod. It allows a fisherman to use back and leg muscles to fight a large marine fish, dropping the rod from vertical to horizontal with a swift reel of slack gained. Also called fishing chair.

Fisheries Museum of the Atlantic, Lunenburg, Nova Scotia. Photograph by Brian W. Coad.

Canadian Museum of Nature