a functionless digit on the foot of some animals, as on the inner
side of a dog's leg
or above the true
hoof in cattle
, deer, etc.
the claw or hoof at the end of such a digit
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'dewclaw'prob. so called because it does not touch the ground, but only the dew on the surface