\ ˈsak How to pronounce sac (audio) \

Definition of sac

 (Entry 1 of 4)

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

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 How to pronounce SAC (audio) \ adjective

Examples of sac in a Sentence

Recent Examples on the Web: Noun Senior catcher Kennadi Thompson led off the third inning with a single then advanced to second on a sac-hit from senior first baseman Kyndal Tinnell. Jonathan Saxon, The Courier-Journal, 5 June 2021 Not the mantle, which is the big sac, but in front where her eyes are. Washington Post, 25 May 2021 Park officials also confirmed the sac is related to the California market squid. Jordan Mendoza, USA TODAY, 19 May 2021 Hartselle appears to win the game on a walk-off sac fly. Ben Thomas |, al, 19 May 2021 One batter later, D.J. LeMahieu, who had three RBI Tuesday, knocked in a run with a sac fly. Anthony Mccarron,, 19 May 2021 Then Willow Canyon two straight sac flies and two Willow Canyon runners on both plays got home, pushing the score up to 11 and putting another Willow Canyon runner in scoring position. Dana Scott, The Arizona Republic, 17 May 2021 Seager opened the scoring with a solo home run in the fourth, then lifted a sac fly to right field with the bases loaded in the eighth, scoring Sam Haggerty. Chris Talbott, Star Tribune, 5 May 2021 The city regulates parking on public streets when a car is incorrectly parked against a curb or in a cul de sac. Mariana Rivas, Dallas News, 15 Apr. 2021

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 Jun 2021

Cite this Entry

“Sac.” Dictionary, Merriam-Webster, Accessed 20 Jun. 2021.

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More Definitions for sac



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 How to pronounce sac (audio) \

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 How to pronounce sac (audio) \

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

More from Merriam-Webster on sac

Nglish: Translation of sac for Spanish Speakers

Britannica English: Translation of sac for Arabic Speakers


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