from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To gnaw; to eat away; to corrode.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To gnaw; to eat away; to corrode.
from The Century Dictionary and Cyclopedia
- To bite or gnaw; eat away; corrode; nibble at.
Anglo-Saxon begnagan; prefix be- + gnagan to gnaw. (Wiktionary)