Source : Webster's Revised Unabridged Dictionary (1913)

Fishgig \Fish"gig`\, n.
   A spear with barbed prongs used for harpooning fish.
   --Knight.

Source : WordNet®

fishgig
     n : an implement with a shaft and barbed point used for catching
         fish [syn: {spear}, {gig}, {fizgig}, {lance}]