\ˈsak \

Definition of sac 

(Entry 1 of 4)

: a pouch within an animal or plant often containing a fluid a synovial sac


abbreviation (1)

Definition of sac (Entry 2 of 4)



Definition of Sac (Entry 3 of 4)

variant of

Definition of SAC (Entry 4 of 4)

1 special agent in charge

2 Strategic Air Command

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Other Words from sac


saclike \ˈsak-ˌlīk \ adjective

Examples of sac in a Sentence

Recent Examples on the Web: Noun

Investigators later told Berwert that the rapist had probably been watching her from a perch near the Eichler home, which had an open glass atrium and sat at the end of a long cul de sac. Peter Fimrite, San Francisco Chronicle, "She was 13 when the Golden State Killer crept into her Walnut Creek bedroom," 29 Apr. 2018 Downing moved over to third on a sac bunt, before Ian Battipaglia drove him in with a single to right field. Christopher Hanna,, "Cheshire Advances Past No. 1 Fairfield Prep in Extras, Heads to Class LL Title Game," 6 June 2018 After Healy drew a leadoff walk to start the eighth, Miller dropped a sure out at first base on Guillermo Heredia’s sac bunt. Ryan Divish, The Seattle Times, "You can’t stop these guys: Red-hot Mariners rally to sweep Rays, now 15 games over .500," 4 June 2018 North Attleborough 7, Milford 4 — With the score tied in the top of the ninth, Katherine Munley singled and advanced to second on a sac bunt by Andrea Miceli. Dan Shulman,, "Latin Academy softball wins 13th straight City League title," 1 June 2018 Williams and Mead each fielded a grounder for outs and catcher Tyler Weir threw out a runner on a sac bunt for the 21 outs. Robert Avery, Houston Chronicle, "Deer Park completes series comeback to capture bi-district championship," 5 May 2018 The first run scored on Gavin Freeman's RBI sac bunt, but the big mistake came on Cory Cook's line drive to right that bounced past the right fielder and all the way to the wall allowing a pair to score. Joseph Halm,, "De La Salle 14, St. Michael 0 (Game 2, five innings): Stephen Klein, Coedy Fonseca drive in 4 each as Cavs advance," 28 Apr. 2018 The right of way, which is currently green space just south of the Kenilworth Avenue cul-de-sac at Chicago Avenue, is due to become a new two-story, six-classroom addition for the school. Steve Schering,, "Oak Park Plan Commission backs land transfer to District 97 as part of Holmes expansion," 9 July 2018 It’s harder to track hunters’ cars when they’re parked at the edge of a cul-de-sac or an empty lot instead of a dirt road. Rachel Jones, charlotteobserver, "He's Mecklenburg's only wildlife officer in a county with over 1 million people," 28 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sac.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sac


1741, in the meaning defined above

History and Etymology for sac


French, literally, bag, from Latin saccus — more at sack

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Statistics for sac

Last Updated

9 Oct 2018

Look-up Popularity

Time Traveler for sac

The first known use of sac was in 1741

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English Language Learners Definition of sac

: a part inside the body of an animal or plant that is shaped like a bag and that usually contains liquid or air


\ˈsak \

Kids Definition of sac

: a part of a plant or animal resembling a bag and often containing a liquid or air

Other Words from sac

saclike \-ˌlīk \ adjective


\ˈsak \

Medical Definition of sac 

: 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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More from Merriam-Webster on sac

See words that rhyme with sac

Spanish Central: Translation of sac

Nglish: Translation of sac for Spanish Speakers

Britannica English: Translation of sac for Arabic Speakers

Comments on sac

What made you want to look up sac? Please tell us where you read or heard it (including the quote, if possible).


not any or not one

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