thunder

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The crashing or booming sound produced by rapidly expanding air along the path of the electrical discharge of lightning.
• noun A sound that resembles or suggests thunder.
• intransitive verb To produce thunder.
• intransitive verb To produce sounds like thunder.
• intransitive verb To move while making a loud noise.
• intransitive verb To utter loud, vociferous remarks or threats.
• intransitive verb To express violently, commandingly, or angrily; roar.

from The Century Dictionary.

• To give forth thunder; resound with thunder; formerly, to lighten (and thunder): often used impersonally: as, it thundered yesterday.
• To make a sound resembling thunder; make a loud noise, particularly a heavy sound of some continuance.
• To utter loud denunciations or threats.
• To emit with or as with the noise of thunder; utter with a loud and threatening voice; utter or issue by way of threat or denunciation.
• To lay on with vehemence.
• noun The loud noise which follows a flash of lightning, due to the sudden disturbance of the air by a violent discharge of electricity through it.
• noun The destructive agent in a thunder-storm; a discharge of lightning; a thunderbolt.
• noun Any loud resounding noise: as, thunders of applause.
• noun An awful or startling denunciation or threat.
• noun As an exclamation, an abbreviation of by thunder, a mild oath. Compare thunderation.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To emit with noise and terror; to utter vehemently; to publish, as a threat or denunciation.
• intransitive verb To produce thunder; to sound, rattle, or roar, as a discharge of atmospheric electricity; -- often used impersonally.
• intransitive verb Fig.: To make a loud noise; esp. a heavy sound, of some continuance.
• intransitive verb To utter violent denunciation.
• noun The sound which follows a flash of lightning; the report of a discharge of atmospheric electricity.
• noun obsolete The discharge of electricity; a thunderbolt.
• noun Any loud noise.
• noun An alarming or statrling threat or denunciation.
• noun (Zoöl.) The American bittern or stake-driver.
• noun [R.] a lightning rod.
• noun (Zoöl.) A small reddish ground snake (Carphophis amœna syn. Celuta amœna) native to the Eastern United States; -- called also worm snake.
• noun a fulgurite. See Fulgurite.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The sound caused by the discharge of atmospheric electrical charge.
• noun A sound resembling thunder.
• noun A deep, rumbling noise.
• verb intransitive To make a noise like thunder.
• verb intransitive To talk with a loud, threatening voice.
• verb transitive To say (something) with a loud, threatening voice.
• verb To produce something with incredible power

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a deep prolonged loud noise
• noun street names for heroin
• verb be the case that thunder is being heard
• verb move fast, noisily, and heavily
• verb to make or produce a loud noise
• noun a booming or crashing noise caused by air expanding along the path of a bolt of lightning
• verb utter words loudly and forcefully