Home›Browse›T›three-toed sloththree-toed slothOur editors are putting together more complete content — check back in about 20 minutesthree-toed sloththree-toed sloth — nounnoun1. a slow-moving tropical American mammal with three long claws on each front foot1.nounDefinitiona slow-moving tropical American mammal with three long claws on each front footExampleThe three-toed sloth spends most of its life hanging upside down in trees.