Sac (s k, sôk)n. Variant of Sauk. |
| SAC abbr. Strategic Air Command |
| sac (sk) n. A pouch or pouchlike structure in a plant or an animal, sometimes filled with fluid. [French, bag, from Old French, from Latin saccus; see sack1.] |
sac [sæk]
n
(Life Sciences & Allied Applications / Biology) a pouch, bag, or pouchlike part in an animal or plant
[from French, from Latin saccus; see sack1]
saclike adj
SAC (in Britain)
abbreviation for
(Life Sciences & Allied Applications / Environmental Science) Special Area of Conservation
| sac (sk) A pouch or pouch-shaped structure in an animal or plant, often containing liquids. The human bladder is a sac. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  sac - an enclosed space; "the trapped miners found a pocket of air"enclosed space, cavity - space that is surrounded by something |
| 2. | sac - a case or sheath especially a pollen sac or moss capsule covering, natural covering, cover - a natural object that covers or envelops; "under a covering of dust"; "the fox was flushed from its cover" | |
| 3. |  Sac - a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green BayAlgonquian, Algonquin - a member of any of the North American Indian groups speaking an Algonquian language and originally living in the subarctic regions of eastern Canada; many Algonquian tribes migrated south into the woodlands from the Mississippi River to the Atlantic coast | |
| 4. | sac - a structure resembling a bag in an animal 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 that functions as the circulatory system in mammalian embryos until the heart becomes functional 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 thin-walled extensions of the tracheae of insects saccule, sacculus - a small sac or pouch (especially the smaller chamber of the membranous labyrinth) 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 pouch, pocket - (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican) vesicle, cyst - a small anatomically normal sac or bladderlike structure (especially one containing fluid) air cell, air sac, alveolus - a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways pericardial sac - the membrane surrounding the heart |
sac
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