cyst

noun
\ ˈsist How to pronounce cyst (audio) \

Definition of cyst

 (Entry 1 of 3)

1 : a closed sac having a distinct membrane and developing abnormally in a cavity or structure of the body
2 : a body resembling a cyst: such as
a : a resting spore of many algae
b : the air bladder of certain algae or aquatic plants (such as rockweed)
c : a capsule formed about a minute organism going into a resting or spore stage also : this capsule with its contents
d : a resistant cover about a parasite produced by the parasite or the host
variants: or cysti- or cysto-

Definition of cyst- (Entry 2 of 3)

: bladder cystitis : sac cystocarp

Definition of -cyst (Entry 3 of 3)

: bladder : sac blastocyst

Examples of cyst in a Sentence

Recent Examples on the Web: Noun Gear had last treated the woman for a cyst on Sept. 13, 2018, and then transferred her care to another provider, medical board records show. Stephanie Innes, The Arizona Republic, 17 June 2021 In that case, doctors may treat a brain cyst via surgery or implanting a shunt to encourage the normal flow of fluid. Sarah Jacoby, SELF, 7 June 2021 Pineda went on the 10-day list this past Wednesday after having a cyst removed from his thigh. Megan Ryan, Star Tribune, 23 May 2021 Pineda had a cyst removed from his thigh two weeks ago. Phil Miller, Star Tribune, 26 May 2021 LaGatta played two years of tackle football in San Jose, California, before he was diagnosed with a cyst in his brain that is close to the optic nerve. Richard Obert, The Arizona Republic, 5 May 2021 Then in the summer my sister in New Mexico was hospitalized with a cyst that could have been cancerous. New York Times, 18 Apr. 2021 Meyer, who left Ohio State in part because of a cyst in his brain that was causing him regular headaches, will now figure that out about himself. Doug Lesmerises, cleveland, 22 Apr. 2021 Bradley had been dealing with a sore wrist after having a cyst removed during the offseason. Steve Megargee, Star Tribune, 28 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cyst.' 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 cyst

Noun

circa 1723, in the meaning defined at sense 1

History and Etymology for cyst

Noun

New Latin cystis, from Greek kystis bladder, pouch; akin to Sanskrit śvasiti he blows, snorts — more at wheeze

Combining form

French, from Greek kyst-, kysto-, from kystis

Noun combining form

New Latin -cystis, from Greek kystis

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Learn More About cyst

Dictionary Entries Near cyst

cyrtostyle

Cyrus

Cyrus II

cyst

cyst-

-cyst

cysteamine

See More Nearby Entries 

Statistics for cyst

Last Updated

30 Jun 2021

Cite this Entry

“Cyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyst. Accessed 23 Jul. 2021.

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More Definitions for cyst

cyst

noun

English Language Learners Definition of cyst

medical : a growth filled with liquid that forms in or on your body

cyst

noun
\ ˈsist How to pronounce cyst (audio) \

Kids Definition of cyst

1 : an abnormal lump or sac that forms in or on the body
2 : a saclike structure with a protective covering or a body (as a spore) with such a covering

cyst

noun
\ ˈsist How to pronounce cyst (audio) \

Medical Definition of cyst

1 : a closed sac having a distinct membrane and developing abnormally in a body cavity or structure
2 : a body resembling a cyst: as
a : a capsule formed about a minute organism going into a resting or spore stage also : this capsule with its contents
b : a resistant cover about a parasite produced by the parasite or the host — compare hydatid sense 2a

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