A(one) : the terminal Element of the vertebrate forelimb when modified (as in humans) as a greedy organ (2) : the forelimb segment (because the terminal part of the bird's wing) of a vertebrate greater than the fishes that corresponds towards the hand irrespective of its form or purposeful specialization https://bsearchblog.com/en/elevate-your-leathercraft-with-our-bag-making-hand-press-and-dies