thick skin

Noun
  1. Skin that is very thick (as an elephant or rhinoceros) (synset 102668043)
    is a type of: cutis, skin, tegument - a natural protective body covering and site of the sense of touch
    is a part of: pachyderm - any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus

Found on Word Lists

Other Searches