Entry 2 senses · 2 variants Webster, 1913 Delf /(dĕlf)/ · IPA n. n. 01 n. A mine; a quarry; a pit dug; a ditch. 1. A mine; a quarry; a pit dug; a ditch.[Obs.] “The delfts would be so flown with waters, that no gins or machines could . . . keep them dry.” — Ray. 02 n. Same as Delftware. 1. Same as Delftware. See: Delftware