sac

/sæk/

sac noun: a bag or pouch inside a plant or animal that typically contains a fluid.

Noun (1)

sac (plural sacs)

A bag or pouch inside a plant or animal that typically contains a fluid.

Verb

sac (third-person singular simple present sacs, present participle sacking or saccing, simple past and past participle sacked or sacced)

(informal, transitive) To sacrifice.
- Kasparov sacked his queen early on in the game to gain a positional advantage against Kramnik.
- I kept saccing monsters at the altar until I was rewarded with a new weapon.

Noun (2)

sac (plural sacs)

(informal, transitive) A sacrifice.
- Kasparov's queen sac early in the game gained him a positional advantage against Kramnik.

Noun (3)

sac

(UK, historical) The privilege, formerly enjoyed by the lord of a manor, of holding courts, trying causes, and imposing fines; now used only in the phrase sac and soc or soc and sac.
- But it is really the court-baron which represents the ancient assembly of the mark, while the court-leet represents the lord's jurisdiction of sac and soc, whether granted before or since the coming of William.1876, Edward Augustus Freeman, The History of the Norman Conquest of England, page 311
- In later times, if the lord had "sac and soc,” his court had the authority of the Court Leet; if he had the view of frankpledge the suitors at his court were free from attendance at the sheriff's tourn; his court was then in all points like the hundred court, but independent of the sheriff.1882, William White, History, gazetteer, and directory, of Lincolnshire, page 21

Noun (4) capitalized: SAC

SAC (plural SACs)

(abbreviation, acronym) Acronym of senior aircraftman.
(abbreviation, initialism) Initialism of saeculum ante Christum (“era before Christ”).

Proper noun (1) capitalized: SAC

SAC

(abbreviation) Abbreviation of Sacramento.
(US, abbreviation, acronym) Acronym of Strategic Air Command.
(abbreviation, acronym) Acronym of surface air consumption.

Proper noun (2) capitalized: Sac

Sac

(alternative) Alternative form of Sauk.

Noun (5) capitalized: Sac

Sac (plural Sacs or Sac)

(alternative) Alternative form of Sauk.

Proper noun (3) capitalized: Sac

Sac

(informal) The city of Sacramento, California, United States.

Examples of sac in a sentence

My birth was en-caul; that is to say, I emerged completely inside the amniotic sac.
Living species of the externally shelled nautiluses do not possess an ink sac.
An en-caul birth is one where a child is born inside the entire amniotic sac.

All 38 example sentences with sac

Forms of sac

Noun
plural	sacs
plural	SACs
plural	Sacs
plural	Sac
Verb
third-person singular present	sacs
present participle	sacking
present participle	saccing
past participle	sacked
past	sacked
past participle	sacced
past	sacced

Plural of sac: sacs

Origin of sac

Borrowed from French sac. Doublet of saccus, sack, saco, and sakkos.

Clipping of sacrifice.

See sake, soc.

Words formed from sac

Phrases with sac

Words that rhyme with sac

48 more rhymesFewer rhymes

Questions about sac

What does sac mean?: Sac means a bag or pouch inside a plant or animal that typically contains a fluid.
What part of speech is sac?: Sac can be a noun, a verb or a proper noun.
How do you pronounce sac?: Sac is pronounced /sæk/.
What is the plural of sac?: The plural of sac is sacs.

Words near sac in the dictionary

Adapted from Wiktionary: sac (page history and authors); SAC (page history and authors); Sac (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-sack.ogg.

Cite this entry: “sac.” Word.ws, https://word.ws/sac. Based on Wiktionary, CC BY-SA 4.0.