: 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
Max Inchausti, Field & Stream, 22 May 2024
In 2021, researchers described a 99-million-year-old spider that was preserved with an egg sac filled with spiderlings.
—Riley Black, Smithsonian Magazine, 13 May 2024
See all Example Sentences for sac 
Noun
Use egg sacs, bead rigs, or egg flies to consistently fool these fish and hold on for when a big fish takes.
—Max Inchausti, Field & Stream, 22 May 2024
In 2021, researchers described a 99-million-year-old spider that was preserved with an egg sac filled with spiderlings.
—Riley Black, Smithsonian Magazine, 13 May 2024
See all Example Sentences for sac
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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“Sac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sac. Accessed 29 May. 2024.
Copy CitationMedical 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
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