waist·coat /ˈwɛskət, ˈwes(t)ˌkot/
 背心
 Waist·coat n. (a) A short, sleeveless coat or garment for men, worn under the coat, extending no lower than the hips, and covering the waist; a vest.  (b) A garment occasionally worn by women as a part of fashionable costume.
 Note: ☞ The waistcoat was a part of female attire as well as male . . . It was only when the waistcoat was worn without a gown or upper dress that it was considered the mark of a mad or profligate woman.
 Syn: -- See Vest.
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 waistcoat
      n : a man's sleeveless garment worn underneath a coat [syn: vest]