Delf

from WordNet (r) 3.0 (2006)

delf
    n 1: an excavation; usually a quarry or mine

from The Collaborative International Dictionary of English v.0.48

Delf \Delf\ (d[e^]lf), n. [AS. delf a delving, digging. See
   {Delve}.]
   A mine; a quarry; a pit dug; a ditch. [Written also {delft},
   and {delve}.] [Obs.]
   [1913 Webster]

         The delfts would be so flown with waters, that no gins
         or machines could . . . keep them dry.   --Ray.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

delf \delf\, n.
   Same as {Delftware}.
   [1913 Webster]