To seize, as food, with the teeth
To consume gradually, as by chemical reaction or friction
The muskrat will gnaw his third leg off to be free.
Several of the elaterid larvae, however, gnaw roots and are highly destructive to farm crops.
Beavers also gnaw the bark of birch, poplar and willow trees; but during the summer a more varied herbage, with the addition of berries, is consumed.
When confined, they will gnaw through the hardest wood in order to make their escape.
Daniel's baby brother will gnaw on anything he can fit in his mouth.