talon
noun /ˈtælən/
  /ˈtælən/
 - a long, sharp, curved nail on the feet of some birds, especially birds of prey (= birds that kill other creatures for food)Topics Birdsc2
enlarge imageWord Originlate Middle English (denoting any heel-like part or object): from Old French, literally ‘heel’, from Latin talus ‘ankle bone, heel’. 
