bay window
  凸肚窗
  Bay win·dow
  1. Arch. A window forming a bay or recess in a room, and projecting outward from the wall, either in a rectangular, polygonal, or semicircular form; -- often corruptly called a bow window.
  Syn: -- bay window, bow window, bow-window.
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  bay window
       n 1: slang terms for a paunch [syn: pot, potbelly, corporation,
             tummy]
       2: a window that sticks out from the outside wall of a house
          [syn: bow window]