prehensor

/prɪˈhɛnsər/
noun
  1. A body part or organ used for grasping, such as a hand, foot, tail, or tentacle.
    • In many primates, the hand serves as a primary prehensor.
    • The octopus uses each of its eight arms as a prehensor to capture prey.
    • The elephant's trunk is a versatile prehensor that can both smell and grasp.