Dictionary entry details
• SAC (noun)
Meaning:
An enclosed space
Classified under:
Nouns denoting two and three dimensional shapes
Synonyms:
sac; pocket; pouch; sack
Context example:
the trapped miners found a pocket of air
Hypernyms ("sac" is a kind of...):
cavity; enclosed space (space that is surrounded by something)
Meaning:
A case or sheath especially a pollen sac or moss capsule
Classified under:
Nouns denoting plants
Synonyms:
theca; sac
Hypernyms ("sac" is a kind of...):
cover; covering; natural covering (a natural object that covers or envelops)
Meaning:
A member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay
Classified under:
Nouns denoting people
Synonyms:
Sauk; Sac
Hypernyms ("Sac" is a kind of...):
Algonquian; 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)
Instance hyponyms:
Black Hawk; Makataimeshekiakiak (Sauk leader who in 1832 led Fox and Sauk warriors against the United States (1767-1838))
Keokuk (Sauk leader who aided the United States against Black Hawk (1790-1848))
Meaning:
A structure resembling a bag in an animal
Classified under:
Nouns denoting body parts
Hypernyms ("sac" is a kind of...):
bodily cavity; cavity; cavum ((anatomy) a natural hollow or sinus within the body)
Hyponyms (each of the following is a kind of "sac"):
yolk sac (membranous structure enclosing the yolk of eggs in birds reptiles marsupials and some fishes; circulates nutrients to the developing embryo)
pericardial sac (the membrane surrounding the heart)
air cell; air sac; alveolus (a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways)
cyst; vesicle (a small anatomically normal sac or bladderlike structure (especially one containing fluid))
pocket; pouch ((anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican))
cistern; cisterna (a sac or cavity containing fluid especially lymph or cerebrospinal fluid)
bursa (a small fluid-filled sac located between movable parts of the body especially at joints)
acinus (one of the small sacs or saclike dilations in a compound gland)
bladder; vesica (a distensible membranous sac (usually containing liquid or gas))
saccule; sacculus (a small sac or pouch (especially the smaller chamber of the membranous labyrinth))
umbilical vesicle; vesicula umbilicus; vitelline sac; yolk sac (membranous structure that functions as the circulatory system in mammal 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 (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 (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)
