Source : Webster's Revised Unabridged Dictionary (1913)

Ceil \Ceil\ (s[=e]l), v. t. [imp. & p. p. {Ceiled} (s[=e]ld); p.
   pr. & vb. n. {Ceiling}.] [From an older noun, fr. F. ciel
   heaven, canopy, fr. L. caelum heaven, vault, arch, covering;
   cf. Gr. koi^los hollow.]
   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.