weapon similar to spear: a long pointed piece of metal attached to a cord and thrown or fired from a gun in order to capture whales or other large sea animals
transitive verb (past and past participlehar·pooned, present participlehar·poon·ing, 3rd person present singularhar·poons)
Definition:
catch something with harpoon: to catch a whale or other large sea animal using a harpoon
[Early 17th century. < Old French harpon "clamp" < harpe "dog's claw, clamp" < Greek harpē "sickle"]