cavern

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cavern

a cave, esp when large and formed by underground water, or a large chamber in a cave

Cavern

 

a cavity that develops in body organs where there is destruction and death (necrosis) of tissues and subsequent liquefaction of the necrotic masses.

Caverns may be closed, not communicating with the external environment, or open, when contents of the cavern empty to the outside through natural channels. Caverns appear most often at the site of a purulent necrotic process or specific inflammation in the lungs (cavernous tuberculosis), kidneys (an abscess that opens into the renal pelvis), or liver (a suppurative node of Echinococcus that empties into the biliary tract). The presence of a cavern fosters the spread of the pathological process and the development of complications (hemorrhage, perforation).

[11–-318–2]

cavern

[′kav·ərn]
(geology)
An underground chamber or series of chambers of indefinite extent carved out by rock springs in limestone.
References in classic literature ?
In a far recess of the cavern my captors bade me halt.
They stopped one day at the foot of a high mountain, and, clearing away the brush and stones at a certain place, an entrance to a great cavern was revealed.
Jim said if we had the canoe hid in a good place, and had all the traps in the cavern, we could rush there if anybody was to come to the island, and they would never find us without dogs.
So, if you wish to go over the cavern and make the round of the lagoon, you must take advantage of to-day, M.
On my part I have just issued directions that a bark should be rolled on rollers to the mouth of the great cavern of Locmaria, which you know, where we have so often lain in wait for the foxes.
But we can't live long in this cavern, that's certain.
Therefore the King stormed and raved all by himself, walking up and down in his jewel-studded cavern and getting angrier all the time.
Over this cavern was a big sign, which Dorothy read with much curiosity, speaking the words aloud that all might know what they said:
Then she went into the cavern and lay down upon the sand.
One is seated, resting his back against the side of the cavern.
When they had nearly filled the throne room they formed ranks in the big underground cavern below, and then stood still until they were told what to do next.
When Gabriel Grub had had time to fetch his breath, which the rapidity of his descent had for the moment taken away, he found himself in what appeared to be a large cavern, surrounded on all sides by crowds of goblins, ugly and grim; in the centre of the room, on an elevated seat, was stationed his friend of the churchyard; and close behind him stood Gabriel Grub himself, without power of motion.