Sac Definition & Meaning

American

British

Scientific

Other Word Forms

Etymology

Examples

Related Words

Synonyms SAC 1 American [sak] / sæk / Or S.A.C.

noun

1. Strategic Air Command.

sac 2 American [sak] / sæk /

noun

1. a baglike structure in an animal, plant, or fungus, as one containing fluid.

Sac 3 American [sak, sawk] / sæk, sɔk /

noun

plural

Sacs,

plural

Sac

1. Sauk.

SAC 1 British

abbreviation

1. Special Area of Conservation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 sac 2 British / sæk /

noun

1. a pouch, bag, or pouchlike part in an animal or plant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 sac Scientific / săk /

1. A pouch or pouch-shaped structure in an animal or plant, often containing liquids. The human bladder is a sac.

Other Word Forms

• saclike adjective

Etymology

Origin of sac

First recorded in 1735–45; from Latin saccus “bag, sackcloth”; sack 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At Cedars-Sinai, the research advanced further when Ahmed Ibrahim, PhD, MPH, discovered that heart progenitor cells release small sacs filled with biological molecules.

From Science Daily

Meanwhile, the cul de sac, a street design much in favor with the architects of suburban developments, have become artificial catchments for these highly flammable weeds.

From The Wall Street Journal

The next day she was diagnosed with pericarditis - an inflammation of the fluid-filled sac around the heart.

From BBC

“It’s quality at-bats, quality outs, moving guys over, getting sac flies, bringing defenses in if you move them over,” Freeman said.

From Los Angeles Times

Froome's wife Michelle has since told The Times, external that doctors discovered a pericardial rupture - an injury where the sac that surrounds the heart is torn - during surgery which they were able to repair.

From BBC

Related Words

• cyst

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.