sac
1 of 4noun
ˈsak 
: a pouch within an animal or plant often containing a fluid
a synovial sac
saclike
ˈsak-ˌlīk
adjective sac
2 of 4abbreviation (1)
sacrifice
Sac
3 of 4variant of sauk
SAC
4 of 4abbreviation
1
special agent in charge
2
Strategic Air Command
Example Sentences
Recent Examples on the Web
Courtney Linder, Popular Mechanics, 17 Aug. 2022 But doctors told her that the fetus’s brain matter was leaking into the umbilical sac, which could cause sepsis and lead to critical illness or even death. New York Times, 1 Aug. 2022 The parietal pleura is a membrane that folds back on itself to form a two-layered sac. Howard Cohen Miami Herald (tns), al, 26 July 2022 There is still a time and place for sac-bunts, but many managers and front offices don’t like to give up an out regardless of the situation. Paul Hoynes, cleveland, 16 July 2022 Common new diagnoses after reinfections included chest pain, abnormal heart rhythms, heart attacks, inflammation of the heart muscle or the sac around the heart, heart failure and blood clots. Brenda Goodman, CNN, 5 July 2022 Mifepristone blocks progesterone, a hormone necessary for continuing a pregnancy, causing the gestational sac to detach from the walls of the uterus. Liz Essley Whyte, WSJ, 4 July 2022 Either reduce the embryos to the thriving single sac, or lose all three fetuses. Susan Young, PEOPLE.com, 29 June 2022 About 75 percent of its cell volume is a sac of stored nitrate. Beth Mole, Ars Technica, 25 June 2022 See More
Noun
Most fish have a swim bladder, or a sac of air inside its body to keep buoyant. Courtney Linder, Popular Mechanics, 17 Aug. 2022 But doctors told her that the fetus’s brain matter was leaking into the umbilical sac, which could cause sepsis and lead to critical illness or even death. New York Times, 1 Aug. 2022 The parietal pleura is a membrane that folds back on itself to form a two-layered sac. Howard Cohen Miami Herald (tns), al, 26 July 2022 There is still a time and place for sac-bunts, but many managers and front offices don’t like to give up an out regardless of the situation. Paul Hoynes, cleveland, 16 July 2022 Common new diagnoses after reinfections included chest pain, abnormal heart rhythms, heart attacks, inflammation of the heart muscle or the sac around the heart, heart failure and blood clots. Brenda Goodman, CNN, 5 July 2022 Mifepristone blocks progesterone, a hormone necessary for continuing a pregnancy, causing the gestational sac to detach from the walls of the uterus. Liz Essley Whyte, WSJ, 4 July 2022 Either reduce the embryos to the thriving single sac, or lose all three fetuses. Susan Young, PEOPLE.com, 29 June 2022 About 75 percent of its cell volume is a sac of stored nitrate. Beth Mole, Ars Technica, 25 June 2022 See More Word History
Etymology
Noun
French, literally, bag, from Latin saccus — more at sack
First Known Use
Noun
1741, in the meaning defined above
Phrases Containing sac
Kids Definition
sac
noun
ˈsak
: a part of a plant or animal resembling a bag and often containing a liquid or air
Medical Definition
sac
noun
ˈsak
: 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