MyDataFarming

Definitions of grub:

noun:   a soft thick wormlike larva of certain beetles and other insects
noun:   informal terms for a meal
verb:   search about busily
verb:   ask for and get free; be a parasite

more on this topic on answers.com

Alternative Terms
delve dig excavate scoop shovel spade enter-exit drudge plod slave slog grind work-play fag workhorse aliment bread comestible dieting edible esculent fare food meat nourishment nurture nutriment nutrition pabulum pap provender sustenance victual chow eats ingestion-similar-words hypoderma oestrus dermatobia gastropub grub-out martin-mooney grubber-2 caseworm-2 flagworm grub-street grubby grubble grubworm wireworm cattle-grub alouattamyia george-gissing