Related Clues:

• Chew at
• Exhibit beaver behavior
• Mice and beavers do it
• Processed, as lumber
• Chew on rawhide
• Mimic a mouse
• Work on a bone, dog-style
• Enjoy a bone
• Agitate (with ''at'')
• Act the rat
• Already cut, as lumber
• Cut a cord, say
• Like cut wood, perhaps
• Nibble persistently
• Chew (at)