1) An excavation 2) Blue glazed pottery 3) Dutch pottery 4) Excavation 5) Exclusively Anglo word 6) Exclusively Saxon word 7) Heraldic symbol 8) Hole in the ground 9) Word of purely Anglo origin 10) Word with Anglo-Saxon origins 
drain; ditch; excavation
• (n.) A mine; a quarry; a pit dug; a ditch. • (n.) Same as Delftware.
Delf noun [ Anglo-Saxon delf a delving, digging. See Delve .] A mine; a quarry; a pit dug; a ditch. [ Written also delft , and delve .] [ Obsolete] « The delfts would be so flown with waters, that no gins or machines could . . . keep them dry.» Ray.
[n] - (British colloquialism) an excavation
noun an excavation; usually a quarry or mine