D defs.my
Entry 1 sense Webster, 1913

Dewclaw

/do͞ok'-lôˌ/ · Dew·claw · IPA /dˈuːklˌɔ/
01 n. In any animal, esp. of the Herbivora, a rudimentary claw or small hoof not reaching the ground.
  1. 1.
    In any animal, esp. of the Herbivora, a rudimentary claw or small hoof not reaching the ground.
    “Some cut off the dewclaws [of greyhounds].” — J. H. Walsh.