man·sion /ˈmæn(t)ʃən/
 大廈,邸
 Man·sion n.
 1. A dwelling place, -- whether a part or whole of a house or other shelter. [Obs.]
    In my Father's house are many mansions.   --John xiv. 2.
 These poets near our princes sleep,
 And in one grave their mansions keep.   --Den░am.
 2. The house of the lord of a manor; a manor house; hence: Any house of considerable size or pretension.
 3. Astrol. A twelfth part of the heavens; a house. See 1st House, 8.
 4. The place in the heavens occupied each day by the moon in its monthly revolution. [Obs.]
 The eight and twenty mansions
 That longen to the moon.   --Chaucer.
 Mansion house, the house in which one resides; specifically, in London and some other cities, the official residence of the Lord Mayor.
 Man·sion, v. i. To dwell; to reside. [Obs.]
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 mansion
      n 1: (astrology) one of 12 equal areas into which the zodiac is
           divided [syn: sign of the zodiac, star sign, sign,
            house, planetary house]
      2: a large and imposing house [syn: mansion house, manse, hall,
          residence]