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
Across the regions of West Bengal, India, a group of researchers were on the hunt for the egg sacs of spiders. Irene Wright, Miami Herald, 25 June 2025 For example, for skin cysts, there are techniques using a laser followed by removal of the sac that allow for smaller incisions and less scarring.6 Other cases may require larger incisions. Angela Ryan Lee, Verywell Health, 29 May 2025 That yard is in the middle of a cul de sac completely surrounded by other houses with kids running around and jumping on trampolines. Denise Snodell, Kansas City Star, 7 June 2025 Two pairs of the 30 toads recently bred and laid thousands of eggs in long, stringy, gelatinous sacs that days later morphed into tiny tadpoles. Adriana Pérez, Chicago Tribune, 3 June 2025 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 30 Jun. 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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