any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges | a device that signals the occurrence of some undesirable event |
armament consisting of a long cylindrical self-propelled underwater projectile that detonates on contact with a target | a clock that wakes a sleeper at some preset time |
a small explosive device that is placed on a railroad track and fires when a train runs over it; the sound of the explosion warns the engineer of danger ahead | an automatic signal (usually a sound) warning of danger |
a small firework that consists of a percussion cap and some gravel wrapped in paper; explodes when thrown forcefully against a hard surface | fear resulting from the awareness of danger |
an explosive device that is set off in an oil well (or a gas well) to start or to increase the flow of oil (or gas) | |
a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States | |
a professional killer who uses a gun | |