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
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Noun
Water also reaches buildings near the creek along Antioch Road West 106th Circle and El Monte cul de sac. Kansas City Star Weather Bot, Kansas City Star, 17 July 2025 Blackberries are such jovial fruit, their tiny juice sacs pleading for pearly whites to burst them into juice. Cathy Thomas, Oc Register, 28 May 2025 These sacs can be pricey, and carbon steel does not always bake evenly either. Bestreviews, Mercury News, 14 May 2025 What emerged from the egg sacs were members of the Idris genus of parasitic wasps, according to the study. Irene Wright, Miami Herald, 25 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 23 Jul. 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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