Definition of sac Sac
/sæˈk/ - [sak] - Sac
We found 13 definitions of sac from 5 different sources.
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What does sac mean?
WordNet
NounPlural: sacs |
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| sac - a structure resembling a bag in an animal | ||
| bodily cavity, cavum, cavity (anatomy) a natural hollow or sinus within the body | ||
| yolk sac membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo | ||
| umbilical vesicle, vesicula umbilicus, vitelline sac, yolk sac membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo | ||
| amnion, amnios, amniotic sac thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) | ||
| chorion the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals) | ||
| coelenteron the saclike body cavity of a coelenterate | ||
| air bladder, swim bladder, float an air-filled sac near the spinal column in many fishes that helps maintain buoyancy | ||
| air sac any of the membranous air-filled extensions of the lungs of birds | ||
| air sac any of the membranous air-filled extensions of the lungs of birds | ||
| saccule, sacculus a small sac or pouch (especially the smaller chamber of the membranous labyrinth) | ||
| vesica, bladder a bag that fills with air | ||
| acinus one of the small sacs or saclike dilations in a compound gland | ||
| bursa a small fluid-filled sac located between movable parts of the body especially at joints | ||
| cisterna, cistern a sac or cavity containing fluid especially lymph or cerebrospinal fluid | ||
| pouch, pocket a small or medium size container for holding or carrying things | ||
| vesicle, cyst a small anatomically normal sac or bladderlike structure (especially one containing fluid) | ||
| air cell, alveolus, air sac a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways | ||
| sac - a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay | ||
| Sauk, Sac | ||
| algonquian, algonquin family of North American Indian languages spoken from Labrador to South Carolina and west to the Great Plains | ||
| sac - a case or sheath especially a pollen sac or moss capsule | ||
| theca | ||
| sac - an enclosed space; "the trapped miners found a pocket of air" | ||
| pouch, sack, pocket | ||
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Wiktionary 
Webster DictionaryWebster's Unabridged Dictionary 📘
- sac (n.)
See Sacs. - sac (n.)
The privilege formerly enjoyed by the lord of a manor, of holding courts, trying causes, and imposing fines. - sac (n.)
See 2d Sack. - sac (n.)
A cavity, bag, or receptacle, usually containing fluid, and either closed, or opening into another cavity to the exterior; a sack.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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sac
sak, n. (bot., zool.) a sack or bag for a liquid.—adjs. Sac′cāte, -d, pouched: pouch-like; Sac′cular, like a sac, sacciform; Sac′culate, -d, formed in a series of sac-like expansions: encysted.—ns. Sacculā′tion, the formation of a sac: a series of sacs; Sac′cule, Sac′culus, a small sac:—pl. Sac′culi. [Fr.,—L. saccus, a bag.] -
sac
sak, n. (law) the privilege of a lord of manor of holding courts. [A.S. sacu, strife.]
Part of speech
🔤- sac, noun, singular of sacs.
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