/ grʌb; NAmE / noun , verb
■ noun
1.
[ C ] the young form of an insect, that looks like a small fat worm
2.
[ U ] ( informal ) food :
Grub's up (= the meal is ready) !
They serve good pub grub there.
■ verb
( -bb- ) [ v ] grub (around / about) (for sth) to look for sth, especially by digging or by looking through or under other things :
birds grubbing for worms
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PHRASAL VERBS
- grub sth up / out
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WORD ORIGIN
Middle English : perhaps related to Dutch grobbelen , also to the noun grave (I).