ceil·ing /ˈsilɪŋ/
  天花板,最高限額
  Ceil v. t. [imp. & p. p. Ceiled p. pr. & vb. n. Ceiling.]
  1. To overlay or cover the inner side of the roof of; to furnish with a ceiling; as, to ceil a room.
     The greater house he ceiled with fir tree.   --2 Chron. iii. 5
  2. To line or finish a surface, as of a wall, with plaster, stucco, thin boards, or the like.
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  Ceil·ing, n.
  1. Arch. (a) The inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor. (b) The lining or finishing of any wall or other surface, with plaster, thin boards, etc.; also, the work when done.
  2. Naut. The inner planking of a vessel.
  Camp ceiling. See under Camp.
  Ceiling boards, Thin narrow boards used to ceil with.
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  ceiling
       n 1: the overhead upper surface of a room; "he hated painting the
            ceiling"
       2: (meteorology) altitude of the lowest layer of clouds
       3: an upper limit on what is allowed; "they established a cap
          for prices" [syn: cap]
       4: maximum altitude at which a plane can fly (under specified
          conditions)
  Ceiling
     the covering (1 Kings 7:3,7) of the inside roof and walls of a
     house with planks of wood (2 Chr. 3:5; Jer. 22:14). Ceilings
     were sometimes adorned with various ornaments in stucco, gold,
     silver, gems, and ivory. The ceilings of the temple and of
     Solomon's palace are described 1 Kings 6:9, 15; 7:3; 2 Chr.
     3:5,9.