: 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
Phil Bourjaily, Field & Stream, 11 Jan. 2024
Sometimes the body doesn't pass the sac and all of the tissue.
—Chaunie Brusie, Rn, Parents, 23 Feb. 2024
The pigment sacs in these cells contain mostly brown, black, red, and yellow pigments.
—Elizabeth Rayne, Ars Technica, 6 July 2023
The baby was soon diagnosed with giant omphalocele, a birth defect of the abdominal wall, in which abdominal contents protrude into a thin-walled sac outside of the abdominal cavity, according to the NIH.
—Wendy Grossman Kantor, Peoplemag, 5 Mar. 2024
Vacuuming or sweeping can remove spiders, webs, and egg sacs effectively.
—Jake Parks, Discover Magazine, 13 Feb. 2024
The new species was identified by its size, body shape, vocal sac and coloring, the study said.
—Aspen Pflughoeft, Miami Herald, 5 Feb. 2024
Totes and the takeout bags—the bottom-tier sacs that hold our leftovers, uncapped pens, and crumpled up receipts—are the real heroes of the day.
—Hannah Jackson, Vogue, 31 Jan. 2024
Extracellular vesicles are fatty sacs of genetic material that are released by every tissue in the body, including the brain.
—Angela Roberts, Baltimore Sun, 9 Feb. 2024
Noun
Holding their wings tightly against their sides, the males make a swishing sound as the stiff breast feathers rub against the wings and the sac heaves up and down.
—Phil Bourjaily, Field & Stream, 11 Jan. 2024
Sometimes the body doesn't pass the sac and all of the tissue.
—Chaunie Brusie, Rn, Parents, 23 Feb. 2024
The pigment sacs in these cells contain mostly brown, black, red, and yellow pigments.
—Elizabeth Rayne, Ars Technica, 6 July 2023
The baby was soon diagnosed with giant omphalocele, a birth defect of the abdominal wall, in which abdominal contents protrude into a thin-walled sac outside of the abdominal cavity, according to the NIH.
—Wendy Grossman Kantor, Peoplemag, 5 Mar. 2024
Vacuuming or sweeping can remove spiders, webs, and egg sacs effectively.
—Jake Parks, Discover Magazine, 13 Feb. 2024
The new species was identified by its size, body shape, vocal sac and coloring, the study said.
—Aspen Pflughoeft, Miami Herald, 5 Feb. 2024
Totes and the takeout bags—the bottom-tier sacs that hold our leftovers, uncapped pens, and crumpled up receipts—are the real heroes of the day.
—Hannah Jackson, Vogue, 31 Jan. 2024
Extracellular vesicles are fatty sacs of genetic material that are released by every tissue in the body, including the brain.
—Angela Roberts, Baltimore Sun, 9 Feb. 2024
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 17 Apr. 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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