raf·ter /ˈræftɚ/
 椽,椽架屋頂,筏夫(vt.)裝椽于


 Raft·er n. A raftsman.


 Raft·er, n.  Arch. Originally, any rough and somewhat heavy piece of timber. Now, commonly, one of the timbers of a roof which are put on sloping, according to the inclination of the roof. See Illust. of Queen-post.
 [Courtesy] oft is sooner found in lowly sheds,
 With smoky rafters, than in tapestry halls.   --Milton.


 Raft·er, v. t.
 1. To make into rafters, as timber.
 2. To furnish with rafters, as a house.
 3. Agric. To plow so as to turn the grass side of each furrow upon an unplowed ridge; to ridge. [Eng.]

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 rafter
      n 1: one of several parallel sloping beams that support a roof
           [syn: balk, baulk]
      2: someone who travels by raft [syn: raftsman, raftman]
      v : provide (a ceiling) with rafters