sew·er /ˈsuɚ/
  下水道,陰溝,裁縫師(vt.)用下水道排,安下水道于
  Sew·er n.
  1. One who sews, or stitches.
  2. Zool. A small tortricid moth whose larva sews together the edges of a leaf by means of silk; as, the apple-leaf sewer (Phoxopteris nubeculana)
  Sew·er n.  A drain or passage to carry off water and filth under ground; a subterraneous channel, particularly in cities.
  Sew·er, n.  Formerly, an upper servant, or household officer, who set on and removed the dishes at a feast, and who also brought water for the hands of the guests.
  Then the sewer
  Poured water from a great and golden ewer,
  That from their hands to a silver caldron ran.   --Chapman.
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  sewer
       n 1: a waste pipe that carries away sewage or surface water [syn:
             sewerage, cloaca]
       2: someone who sews; "a sewer of fine gowns"
       3: misfortune resulting in lost effort or money; "his career
          was in the gutter"; "all that work went down the sewer";
          "pensions are in the toilet" [syn: gutter, toilet]