From Crispin: At the Edge of the World By Avi:
The man set the mazers down and dropped the bread. (on the table) ........... .............
"I say you're an informer!" cried the man. “A traitor to the brotherhood!” He turned then, and with a broad stroke of his hand and arm, swept bowls and bread away, sending all aground.
I looked up the dictionary and know the meaning of 'aground' to be 'to become stuck'. Then, how should I interpret the bold phrase here?