: a pouch within an animal or plant often containing a fluid
a synovial sac
sacrifice
Sac
3 of 4variant of sauk
1
special agent in charge
2
Strategic Air Command
Examples of sac in a Sentence
Recent Examples on the Web
Margaret Osborne, Smithsonian Magazine, 21 Nov. 2023
Cysts In some cases, a sac next to the wisdom tooth can become filled with fluid, forming a cyst.
—Jake Parks, Discover Magazine, 8 Nov. 2023
He was born with a rare birth defect called an omphalocele, which means some of his organs sit in a sac outside his body.
—Emily Alpert Reyes, Los Angeles Times, 1 Nov. 2023
Gallstones Gallstones form in the gallbladder, a tiny sac hanging out under the liver, expelling bile as needed to digest fats.
—Amanda Gardner, Health, 29 Oct. 2023
To explore the sacs' origins, the researchers turned to bones from three ancestral dinosaur species.
—Riley Black, Scientific American, 1 Mar. 2023
Nugent said acupuncturists need expert anatomical knowledge of where the sac containing the lungs is located.
—Natalie Kainz, NBC News, 19 Sep. 2023
The most common causes of these blockages are abdominal adhesions (bands of scar-like tissue that form inside the abdomen), hernias (a sac formed by the lining of the intestines), certain cancers, and certain medications, the US National Library of Medicine notes.
—Korin Miller, SELF, 14 July 2023
Scientists on board Schmidt Ocean Institute's Falcor research ship believe the octopus is a new species of Muusoctopus, a genus of small to medium sized octopus without an ink sac, according to a news release from the organization.
—Gabe Hauari, USA TODAY, 3 July 2023
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Noun
Castoreum is a yellowish-brown substance located in beavers’ castor sacs, which are found between the pelvis and the base of the tail.
—Margaret Osborne, Smithsonian Magazine, 21 Nov. 2023
Cysts In some cases, a sac next to the wisdom tooth can become filled with fluid, forming a cyst.
—Jake Parks, Discover Magazine, 8 Nov. 2023
He was born with a rare birth defect called an omphalocele, which means some of his organs sit in a sac outside his body.
—Emily Alpert Reyes, Los Angeles Times, 1 Nov. 2023
Gallstones Gallstones form in the gallbladder, a tiny sac hanging out under the liver, expelling bile as needed to digest fats.
—Amanda Gardner, Health, 29 Oct. 2023
To explore the sacs' origins, the researchers turned to bones from three ancestral dinosaur species.
—Riley Black, Scientific American, 1 Mar. 2023
Nugent said acupuncturists need expert anatomical knowledge of where the sac containing the lungs is located.
—Natalie Kainz, NBC News, 19 Sep. 2023
The most common causes of these blockages are abdominal adhesions (bands of scar-like tissue that form inside the abdomen), hernias (a sac formed by the lining of the intestines), certain cancers, and certain medications, the US National Library of Medicine notes.
—Korin Miller, SELF, 14 July 2023
Scientists on board Schmidt Ocean Institute's Falcor research ship believe the octopus is a new species of Muusoctopus, a genus of small to medium sized octopus without an ink sac, according to a news release from the organization.
—Gabe Hauari, USA TODAY, 3 July 2023
See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sac.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Sac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sac. Accessed 6 Dec. 2023.
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Kids Definition
sac
nounˈsak
: a pouch in an animal or plant often containing a fluid
a food-storage sac
saclike
adjective
-ˌlīk
Medical Definition
sac
noun
: a soft-walled anatomical cavity usually having a narrow opening or none at all and often containing a special fluid
a synovial sac
see air sac, amniotic sac, dental sac, lacrimal sac
More from Merriam-Webster on sac
Nglish: Translation of sac for Spanish Speakers
Britannica English: Translation of sac for Arabic Speakers
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