- a small cannon for shooting harpoons.
Origin of harpoon gun
Examples from the Web for harpoon gun
Historical Examples of harpoon gun
As respected the second mode, the use of the harpoon-gun, there was no novelty in that certainly.
This harpoon-gun is now used all over the world, and has made whaling a wonderfully profitable business.
Greener's harpoon-gun is a kind of wall-piece fixed in a crutch, which steps into the bow-bollard of the whale-boat.The Sailor's Word-Book
William Henry Smyth
Looking at Hank, he saw that the old fighter of the seas had dropped the harpoon-gun and was holding poised the long lance.The Boy With the U. S. Fisheries
They go out in large open boats, six men to a boat, and shoot the harpoon 220 into the whale from the harpoon-gun.Bancroft's Tourist's Guide Yosemite