delft /ˈdɛlft/
  台夫特陶器
  Delf n.  A mine; a quarry; a pit dug; a ditch. [Written also delft, and delve.] [Obs.]
     The delfts would be so flown with waters, that no gins or machines could . . . keep them dry.   --Ray.
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  delft n. Same as Delftware.
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  delft
       n : a style of glazed earthenware; usually white with blue
           decoration