[1] : The Collaborative International Dictionary of English v.0.48

prison \pris"on\ ?; 277, n. f., fr. l. prehensio, prensio, a
   seizing, arresting, fr. prehendre, prendere, to lay hold of,
   to seize. see prehensile, and cf. prize, n.,
   misprision.
   1. a place where persons are confined, or restrained of
      personal liberty; hence, a place or state o? confinement,
      restraint, or safe custody.
      1913 webster

            bring my soul out of prison, that i may praise thy
            name.                                 --ps. cxlii.
                                                  7.
      1913 webster

            the tyrant aeolus, . . .
            with power imperial, curbs the struggling winds,
            and sounding tempests in dark prisons binds.
                                                  --dryden.
      1913 webster

   2. specifically, a building for the safe custody or
      confinement of criminals and others committed by lawful
      authority.
      1913 webster

   prison bars, or prison base. see base, n., 24.

   prison breach. law see note under 3d escape, n., 4.

   prison house, a prison. --shak.

   prison ship naut., a ship fitted up for the confinement
      of prisoners.

   prison van, a carriage in which prisoners are conveyed to
      and from prison.
      1913 webster
see also:
prehensile prize misprision prison bars prison base base 
prison breach escape prison house prison ship prison van 

[2] : WordNet (r) 2.0

prison house
     n 1: a prisonlike situation; a place of seeming confinement syn:
           prison
     2: a correctional institution where persons are confined while
        on trial or for punishment syn: prison
see also:
prison 

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Charnel House, definition of term: Charnel House
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Clearing House, definition of term: Clearing House
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Crazy House, definition of term: Crazy House
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Bee House, definition of term: Bee House
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Brokerage House, definition of term: Brokerage House
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Bath House, definition of term: Bath House
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