sac

1 of 4

noun

: a pouch within an animal or plant often containing a fluid
a synovial sac
saclike adjective

sac

2 of 4

abbreviation (1)

sacrifice

Sac

3 of 4

variant of sauk

SAC

4 of 4

abbreviation

1
special agent in charge
2
Strategic Air Command

Examples of sac in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Treating strep throat with antibiotics greatly reduces the risk of developing serious complications, such as rheumatic fever, scarlet fever, ear infection, and abscesses (sacs of pus) near the tonsils.73 Cold: Colds can also lead to complications, such as sinus infection, pneumonia, or bronchitis. Sarah Hudgens, Health, 27 Feb. 2025 Pioneer Circle: Peek into the Poplar Grove cul de sac for a brilliant display. Erin Alberty, Axios, 5 Dec. 2024 The vaccine has been linked to rare cases of heart inflammation and inflammation of the sac surrounding the heart, although the severity has varied and most patients fully recovered, the CDC says. Stephanie Armour | Kff Health News, ABC News, 8 Mar. 2025 Over time, this turns into a skin sac surrounding dead cells and fluid.4 The exact causes of cysts are unknown. Mark Gurarie, Health, 6 Dec. 2024 See All Example Sentences for sac

Word History

Etymology

Noun

French, literally, bag, from Latin saccus — more at sack

First Known Use

Noun

1741, in the meaning defined above

Time Traveler
The first known use of sac was in 1741

Browse Nearby Words

Cite this Entry

“Sac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sac. Accessed 18 Apr. 2025.

Kids Definition

sac

noun
ˈsak
: a pouch in an animal or plant often containing a fluid
a food-storage sac
saclike
-ˌlīk
adjective

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

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