grub

An insect, especially a beetle, at an immature stage of its life cycle.

Food.

pub grub

"The rice ration's down to nearly damn-all in the kampongs, but we keep finding dumps of grub in the forest."

A dirty person.

A despicable person; a lowlife.

A short, thick man; a dwarf.

John Romane, a short clownish grub, would bear the whole carcase of an ox, yet never tugged with him.

To scavenge or in some way scrounge, typically for food.

To dig; to dig up by the roots; to root out by digging; often followed by up.

to grub up trees, rushes, or sedge

They do not attempt to grub up the root of sin.

To supply with food.

To eat.

“[…] John dear, we must give this little fellow his supper, you know.” “Of course we must, my darling.” “He has been grubbing and grubbing at school,” said Bella, looking at her father’s hand and lightly slapping it, “till he’s not fit to be seen. O what a grubby child!”