cyst

noun
\ˈsist \

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 : a gas-filled vesicle (as of a rockweed or bladderwort)

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

The left is my stomach 3 weeks after a ruptured cyst (5 weeks ago). Miranda Siwak, Good Housekeeping, "Woman Shares Honest Photo of What Endometriosis Is Really Like," 21 July 2017 In other words, cancers prone to spreading (such as breast cancer or kidney cancer), can sometimes spread to the skin, causing what might look like a cyst or little red bump. Macaela Mackenzie, Allure, "Skin Cancer: A Visual Guide to Identifying Warning Signs on Your Body," 2 July 2018 Doctors estimated the cyst had been growing inside Rahn for about a year. Colby Itkowitz, Washington Post, "The Health 202: Those who don't qualify for government aid aren't buying Obamacare plans," 3 July 2018 After suffering from stomach pain and weight gain, 30-year-old Alabama resident Kayla Rahn ended up undergoing surgery to remove a 50-pound ovarian cyst. Blake Bakkila, Health.com, "Doctors Removed a 50-Pound Cyst After This Woman Went to the ER for Stomach Pain," 29 June 2018 If a cyst is large or causing a lot of pain, surgery might be necessary. Blake Bakkila, Health.com, "Doctors Removed a 50-Pound Cyst After This Woman Went to the ER for Stomach Pain," 29 June 2018 In my early twenties, doctors discovered a large cyst on my ovaries during an internal sonogram. Sarah Hosseini, Good Housekeeping, "Just Because You Can't See My Endometriosis Doesn't Mean It's Not There," 12 Mar. 2016 Unfortunately, there’s no way to test for PCOS besides testing for individual symptoms, like blood work to assess hormone levels or an ultrasound to look for cysts. Cari Romm, The Cut, "Everything to Know About a New Study on the Causes of PCOS," 18 May 2018 Nolan Kingham labored through 95 on Saturday, days after having a cyst removed. Nick Moyle, San Antonio Express-News, "Bocchi, Clemens lead Texas to CWS for 36th time," 11 June 2018

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 1720, 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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Dictionary Entries near cyst

Cyrus

Cyrus II

cyst-

cyst

-cyst

cysteamine

cysteine

Statistics for cyst

Last Updated

8 Sep 2018

Look-up Popularity

Time Traveler for cyst

The first known use of cyst was circa 1720

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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 \

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 \

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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