carapace

/ˈkɛrəˌpeɪs/
noun
  1. The hard, protective upper shell of a turtle, crab, or other animal.
    • The turtle retreated into its carapace when it sensed danger.
    • The fossil showed a beautifully preserved carapace of an ancient sea creature.
    • A crab's carapace must be shed as it grows larger.
  2. A hard outer covering or shield that protects something.
    • The armored vehicle had a thick steel carapace to protect the soldiers inside.
    • The snail's carapace is both a home and a defense against predators.
    • Some insects develop a waxy carapace to keep from drying out.
  3. A figurative protective barrier, especially one that hides emotions or vulnerability.
    • After years of disappointment, she built a carapace around her heart.
    • The politician's confident smile was just a carapace for his insecurity.
    • He hid his shyness behind a carapace of sarcasm and jokes.
What does "carapace" mean? | whatsthatwordmean | whatsthatwordmean