#nipper__claw__chela__pincer  a structure like a pincer on the limb of a crustacean or other arthropods
  supertype:  #extremity__appendage__member  an external body part that projects from the body; "it is important to keep the extremities warm"
  part of:  #crustacean  any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton

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