nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A North American weasel (Mustela nigripes) that is yellowish above, mixed with brown on the head and neck, and has a blackish mask and feet. It is related to the European polecat.