- a barbed, spearlike missile attached to a rope, and thrown by hand or shot from a gun, used for killing and capturing whales and large fish.
- a jet-powered, radar-guided U.S. Navy cruise missile with a high explosive warhead designed for use against surface ships and launchable from a surface vessel, submerged submarine, or aircraft.
- to strike, catch, or kill with or as if with a harpoon.
- a barbed missile attached to a long cord and hurled or fired from a gun when hunting whales, etc
- (as modifier)
- to spear with or as if with a harpoon