tr.v., -fanged, -fang·ing, -fangs.
- To remove the fangs of (a snake, for example).
- To undermine the strength or power of; make ineffectual: an attempt to defang the opposition.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
