- nut weevil
: a weevil (as of the genus Balaninus) whose larva lives in nuts
* * *any of several snout beetles of the genus Balaninus, the larvae of which live in and feed on nuts and acorns.[1795-1805]
* * *nut weevil,a weevil that feeds on the insides of nuts.
Useful english dictionary. 2012.