thundercloudthun‧der‧cloud /ˈθʌndəklaʊd $ -ər-/ noun [countable] 
Examples
ExamplesEXAMPLES FROM THE CORPUS
Thesaurus- He thought he heard Zeus and Hera quarrelling among the thunderclouds.
- Much water is transported this way over a summer, bypassing the monopoly thunderclouds have on water delivery elsewhere.
- She looks up at the thunderclouds.
- The early evening had been fine and then it darkened over with thundercloud and got warmer.
- The monster was a distant thundercloud that boiled higher and higher on the horizon.
- We sneaked over once and were well into a doubleheader when our grandmother saw us and swooped in like a thundercloud.
THESAURUS► cloud
a large dark cloud that you see before or during a storm noun [countable, uncountable] a white or grey mass in the sky that forms from very small drops of water: · The storm was still a way off but black clouds were gathering.· Thick cloud obscured the top of the hill.
► fog noun [countable, uncountable] very thick cloud near the ground which is difficult to see through: · The cars crashed into each other in thick fog.· The fog had lifted (=disappeared)slightly.
► mist noun [countable, uncountable] light cloud near the ground that makes it difficult for you to see very far. Mist is usually not as thick as fog. You often get mist near areas of water or mountains: · The morning mist was lifting and the sun was coming up.· A grey mist hung over the water.· The hills were shrouded in mist (=surrounded by mist).
► haze noun [singular, uncountable] smoke, dust, or mist in the air which is difficult to see through: · He saw the horses coming towards him through a haze of dust.· The road shimmered in the heat haze.· A pale blue haze hung over the far-off mountains.
► smog noun [countable, uncountable] dirty air that looks like a mixture of smoke and fog, caused by smoke from cars and factories in cities: · The city is covered in smog for much of the year.· A smog warning was issued for parts of Southern Oregon.
► thundercloud noun [countable] a large dark cloud that you see before or during a storm: · He watched the thunderclouds roll across the valley.
► vapour trail British English, vapor trail American English noun [countable] the white line that is left in the sky by a plane: · High overhead, a jet left its vapour trail across the blue sky.
WORD SETS► Meteorologyanticyclone, nounarid, adjectivebarometer, nouncirrus, nounclimate, nounclimatic, adjectivecloudbank, nouncold front, nouncontrary, adjectivecumulus, nouncyclone, noundeluge, noundepression, nounduster, noundust storm, nounequatorial, adjectivefront, nounfrontal system, nounheadwind, nounhumidity, nounhurricane, nouninversion, nounisobar, nounisotherm, nounjet stream, nounleeward, adjectivelow, nounlow-pressure, nounmaelstrom, nounmirage, nounmonsoon, nounnimbus, nounnorth, adjectivenortheast, adjectivenortheaster, nounnortheasterly, adjectivenortherly, adjectivenorthwest, adjectivenorthwester, nounnorthwesterly, adjectiveonshore, adjectivepeasouper, nounpowder, nounprecipitation, nounrainfall, nounrain gauge, nounrainstorm, nounsandstorm, nounsea breeze, nounsemitropical, adjectivesheet lightning, nounshipping forecast, nounshower, nounshowery, adjectivesirocco, nounsleet, nounslush, nounsmog, nounsouth, adjectivesoutheast, adjectivesoutheasterly, adjectivesoutherly, adjectivesouthwest, adjectivesouthwesterly, adjectivesprinkle, nounsquall, nounsqually, adjectivestill, adjectivestorm, nounstorm cloud, nounstormy, adjectivestrength, nounsubside, verbsubtropical, adjectivesub-zero, adjectivetailwind, nountempest, nounthaw, verbthaw, nounthermal, nounthermometer, nounthunder, nounthunder, verbthunderbolt, nounthunderclap, nounthundercloud, nounthunderstorm, nounthundery, adjectivetidal, adjectivetidal wave, nountornado, nountorrid, adjectivetrade wind, nountropical, adjectivetrough, nountsunami, nounturbulence, nounturbulent, adjectivetwister, nountyphoon, nounwarm front, nounwaterspout, nounweather, nounweatherman, nounweather vane, nounwest, adjectivewesterly, adjectivewhirlwind, nounwhiteout, noun