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
Noun
His genitals would be heavy yet flaccid, fleshy skin sacs reddened with indignation, like the wattles of an angry turkey. Joyce Carol Oates, The New Yorker, 15 Apr. 2024 In those tips is a specialized sac, a cnidosac, where the undigested nematocysts are stored. Helen Sullivan, Smithsonian Magazine, 2 Apr. 2024 Otis gets another ultrasound to confirm once more that there are two sacs on screen. Hannah Sacks, Peoplemag, 5 Mar. 2024 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

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.

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

Dictionary Entries Near sac

Cite this Entry

“Sac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sac. Accessed 19 Apr. 2024.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!