cy·​clone | \ˈsī-ˌklōn \

Definition of cyclone 

(Entry 1 of 2)

1a : a storm or system of winds that rotates about a center of low atmospheric pressure, advances at a speed of 20 to 30 miles (about 30 to 50 kilometers) an hour, and often brings heavy rain

b : tornado

c : low entry 4 sense 1b

2 : any of various centrifugal devices for separating materials (such as solid particles from gases)


Cy·​clone | \ˈsī-ˌklōn \

Definition of Cyclone (Entry 2 of 2)

used for a chain-link fence

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Other Words from cyclone


cyclonic \sī-​ˈklä-​nik \ adjective
cyclonically \sī-​ˈklä-​ni-​k(ə-​)lē \ adverb

Examples of cyclone in a Sentence

Recent Examples on the Web: Noun

Why hurricanes under warmer conditions can dump so much rain Downpours go hand-in-hand with hurricanes, since the cyclones are powered by evaporating and condensing moisture. Umair Irfan, Vox, "Why hurricanes are expected to dump more rain in a warming world," 14 Sep. 2018 So, the question on everyone's mind: Does Wolf regret her routine and the cyclone of controversy that followed? Travis M. Andrews,, "Michelle Wolf: 'I wouldn't change a single word' of White House correspondents' dinner comedy set," 30 Apr. 2018 Heat and humidity then combine to charge up the wind and rainfall from a cyclone. Umair Irfan, Vox, "Hurricane Florence caused up to $22 billion in damages. Climate change made the storm worse.," 3 Oct. 2018 Pretty much all of the various global models (which forecast conditions around the world) and hurricane-specific models (which forecast individual cyclones) now show the storm making a turn toward Hawaii later this week. Eric Berger, Ars Technica, "Hurricane Lane likely to skirt Hawaiian islands, but flooding probable [Updated]," 22 Aug. 2018 The last – and weakest – cyclone in the Pacific is Tropical Storm Kristy, which is no threat to land. Angela Fritz, The Seattle Times, "Four cyclones are churning across the Pacific. Here’s what they look like from space.," 7 Aug. 2018 Researchers believe the cyclones that the spacecraft spotted are the result of ammonia welling up from deep within the planet, creating turbulent weather even far below the upper atmosphere. Jay Bennett, Popular Mechanics, "The Juno Spacecraft Reveals New Mysteries at Jupiter," 25 May 2017 Critics of the plan worry that every cyclone that strikes Bangladesh — and there are many — could endanger the lives of any Rohingya forced to live on the island, which is currently uninhabited. Hannah Beech, New York Times, "Myanmar and U.N. Agree to Aim for Repatriation of Rohingya," 31 May 2018 Portions of Salalah, home to some 200,000 people, lost power as the cyclone made landfall. Jon Gambrell,, "5 dead, 30 missing after powerful cyclone strikes Oman, Yemen," 26 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cyclone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cyclone


1848, in the meaning defined at sense 1a

History and Etymology for cyclone


modification of Greek kyklōma wheel, coil, from kykloun to go around, from kyklos circle

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Statistics for cyclone

Last Updated

12 Dec 2018

Look-up Popularity

Time Traveler for cyclone

The first known use of cyclone was in 1848

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English Language Learners Definition of cyclone

: an extremely large, powerful, and destructive storm with very high winds that turn around an area of low pressure


cy·​clone | \ˈsī-ˌklōn \

Kids Definition of cyclone

1 : a storm or system of winds that rotates about a center of low atmospheric pressure and that moves forward at a speed of 20 to 30 miles (30 to 50 kilometers) an hour and often brings heavy rain

2 : tornado

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More from Merriam-Webster on cyclone

Rhyming Dictionary: Words that rhyme with cyclone

Spanish Central: Translation of cyclone

Nglish: Translation of cyclone for Spanish Speakers Encyclopedia article about cyclone

Comments on cyclone

What made you want to look up cyclone? Please tell us where you read or heard it (including the quote, if possible).


a nest or breeding place

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