Mansion

mansion
    n 1: (astrology) one of 12 equal areas into which the zodiac is
         divided [syn: {sign of the zodiac}, {star sign}, {sign},
         {mansion}, {house}, {planetary house}]
    2: a large and imposing house [syn: {mansion}, {mansion house},
       {manse}, {hall}, {residence}]
    

Mansion \Man"sion\, v. i.
   To dwell; to reside. [Obs.] --Mede.
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Mansion \Man"sion\, n. [OF. mansion, F. maison, fr. L. mansio a
   staying, remaining, a dwelling, habitation, fr. manere,
   mansum, to stay, dwell; akin to Gr. ?. Cf. {Manse}, {Manor},
   {Menagerie}, {Menial}, {Permanent}.]
   1. A dwelling place, -- whether a part or whole of a house or
      other shelter. [Obs.]
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            In my Father's house are many mansions. --John xiv.
                                                  2.
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            These poets near our princes sleep,
            And in one grave their mansions keep. --Den?am.
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   2. The house of the lord of a manor; a manor house; hence:
      Any house of considerable size or pretension.
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   3. (Astrol.) A twelfth part of the heavens; a house. See 1st
      {House}, 8. --Chaucer.
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   4. The place in the heavens occupied each day by the moon in
      its monthly revolution. [Obs.]
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            The eight and twenty mansions
            That longen to the moon.              --Chaucer.
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   {Mansion house}, the house in which one resides;
      specifically, in London and some other cities, the
      official residence of the Lord Mayor. --Blackstone.
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MANSION. This term is synonymous with house. (q.v.) 1 Chit. Pr. 167; 2 T. 
R. 502; 1 Tho. Co. Litt. 215, n. 35; 9 B. & C. 681; S. C. 17 E. C. L. R. 
472, and the cases there cited; Com. Dig. Justices, P 5; 3 Serg. & Rawle, 
199. A portion only of a building may come under the description of a 
mansion-house. 1 Leach, 89, 428; 1 East, P. C. C. 15, s. 19. 2 Bouv. Inst. 
n. 1571, note. 
    

30 Moby Thesaurus words for "mansion":
      aspect, astrodiagnosis, astrology, astromancy, castle, chateau,
      court, estate, genethliac astrology, genethliacism, genethliacs,
      genethlialogy, hall, horoscope, horoscopy, house, manor,
      mundane astrology, mundane house, nativity, natural astrology,
      palace, palais, palatial residence, palazzo, planetary house,
      stargazing, tower, villa, zodiac