#thick_skin__thickskin  skin that is very thick (as an elephant or rhinoceros)
  supertype:  #tegument__skin__cutis__cuti  a natural protective covering of the body; site of the sense of touch; "your skin is the largest organ of your body"
  part of:  #pachyderm  any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus

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