pea jacket /ˈpi-/
  Pea-jack·et, Pea jack·et Pea jack·et n.  A thick loose double-breasted woolen jacket, or coat, commonly worn by sailors in cold weather.
  Syn: -- pea coat, peacoat, pea jacket.
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  pea jacket
       n : a sailor's heavy woolen double-breasted jacket [syn: peacoat]