cavity : Idioms & Phrases

• noun the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm
  abdomen.
  

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• noun the fluid-filled cavity that surrounds the developing embryo
  

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• noun the hollow under the arm where it is joined to the shoulder
  axillary fossa; axilla; armpit.
  
  • they were up to their armpits in water

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• noun (anatomy) a natural hollow or sinus within the body
  cavity; cavum.
  

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• (Anat.), the space between the walls of the body and the inclosed viscera; the cælum; in mammals, divided by the diaphragm into thoracic and abdominal cavities.

Webster 1913

• noun the cavity between the jaws and the cheeks
  

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• noun a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
  resonator; resonating chamber.
  

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• noun a wall formed of two thicknesses of masonry with a space between them
  

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• noun the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart
  chest cavity.
  

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• noun the fluid-filled cavity inside a blastula
  blastocoel; blastocele; blastocoele; cleavage cavity.
  

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• noun the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
  acetabulum.
  

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• noun the cavity enclosed by the cranium
  cranial cavity.
  

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• noun the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint
  glenoid fossa.
  

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• noun the cavity enclosed by the cranium
  cranial cavity.
  

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• noun an isolated part of the peritoneal cavity that is dorsal to the stomach
  omental bursa; bursa omentalis.
  

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• noun either of the two cavities lying between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx
  

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• noun the opening through which food is taken in and vocalizations emerge
  oral fissure; mouth; rima oris.
  
  • he stuffed his mouth with candy

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• noun the bony cavity in the skull containing the eyeball
  cranial orbit; orbit; eye socket.
  

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• noun the space bounded by the bones of the pelvis and containing the pelvic viscera
  

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• noun the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement
  pericardial space.
  

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• noun the interior of the peritoneum; a potential space between layers of the peritoneum
  greater peritoneal sac.
  

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• noun the cavity in the thorax that contains the lungs and heart
  

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• noun the central cavity of a tooth containing the pulp (including the root canal)
  

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• noun the fluid-filled cavity inside a blastula
  blastocoel; blastocele; blastocoele; cleavage cavity.
  

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• (Biol.), the cavity formed by the arrangement of the cells in segmentation or cleavage of the ovum; the cavity of the blastosphere. In the gastrula stage, the segmentation cavity in which the mesoblast is formed lies between the entoblast and ectoblast. See Illust. of Invagination.

Webster 1913

• noun the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart
  chest cavity.
  

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• noun a cavity having the shape of a tube
  

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• noun the main cavity of the ear; between the eardrum and the inner ear
  middle ear; tympanum.
  

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• noun the space inside the uterus between the cervical canal and the Fallopian tubes
  

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• (Anat.), the ventral cavity of a vertebrate, which contains the alimentary canal, as distinguished from the dorsal, or cerebro-spinal, canal.

Webster 1913