verb intransverb trans
to dig in the ground, esp for something that is difficult to find or extract
to search about; to rummage
to do hard, boring, or demeaning work in an effort to achieve something
(usu + up) to dig (something) up or out by, or as if by, the roots
to clear (an area) by digging up roots and stumps
grubber noun
[Middle English grubben, of Germanic origin]