What is the meaning of Delf?
A mine, quarry, pit dug; ditch.
A charge representing a square sod of turf, traditionally taking the form of a simple square (e.g. in the middle of an escutcheon), although modernly sometimes represented with the grass in profile. 
Alternative form of delft (“style of earthenware”)
inflection of delven:
- first-person singular present indicative
- (in case of inversion) second-person singular present indicative
- imperative
first-person singular present indicative
(in case of inversion) second-person singular present indicative
Delft (a city in the modern Netherlands)
A quarry (pit for digging stone or clay).
A man-made channel or stream; a water-filled ditch.
A hole or ditch; a delf.
that which is dug: trench, quarry, canal
Source: wiktionary.orgSearch words containing