Delf

Delf (?), n. [AS. delf a delving, digging. See Delve.] 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.

Delf, n. Same as Delftware.