What is to dig; to dig up by the roots; to root out by digging; -- followed by up; as, to grub up trees, rushes, or sedge. They do not attempt to grub up the root of sin. Hare called?

grub — To dig; to dig up by the roots; to root out by digging; -- followed by up; as, to grub up trees, rushes, or sedge. They do not attempt to grub up the root of sin. Hare. (Webster's 1913.)