The crashing or booming sound produced by rapidly expanding air along the path of the electrical discharge of lightning, The destructive agent in a thunder-storm; a discharge of lightning; a thunderbolt, An alarming or statrling threat or denunciation, verb_ be the case that thunder is being heard, to make or produce a loud noise, utter words loudly and forcefully, transitive verb_ To emit with noise and terror; to utter vehemently; to publish, as a threat or denunciation, intransitive verb_ To produce thunder, To produce sounds like thunder, To utter loud, vociferous remarks or threats

An atmospheric disturbance manifested in strong winds accompanied by rain, snow, or other precipitation and often by thunder and lightning, A heavy shower of objects, such as bullets or missiles, A violent disturbance or upheaval, as in political, social, or domestic affairs, verb_ To move quickly and noisily like a storm, usually in a state of uproar or anger, To assault (a stronghold or fortification) with military forces, transitive verb_ (Mil.) To assault; to attack, and attempt to take, by scaling walls, forcing gates, breaches, or the like, intransitive verb_ To raise a tempest, To blow with violence; also, to rain, hail, snow, or the like, usually in a violent manner, or with high wind; -- used impersonally, To rage; to be in a violent passion; to fume

a severe tropical cyclone usually with heavy rains and winds moving a 73-136 knots (12 on the Beaufort scale), A violent storm, characterized by extreme fury and sudden changes of the wind, and generally accompanied by rain, thunder, and lightning; -- especially prevalent in the East and West Indies Also used figuratively, Something resembling a hurricane in force or speed

To release, as from confinement, care, or duty, To apportion (weight) evenly, as over a door, To get rid of a burden, load, or weight, noun_ The amount or rate of emission or ejection, An official document certifying such release, especially from military service, A flowing out; emission; vent_ as, the discharge of water from a river or from an orifice, of blood from a wound, of lightning from a cloud

The discharge of atmospheric electrical charge itself, abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light, the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more, adjective_ Extremely fast or sudden, Moving at the speed of lightning, verb_ rare Lightening, impersonal To produce lightning, intransitive verb_ To discharge a flash of lightning,