IPA: /ˈkærəˌpæks/
KK: /kɛrəˌpæks/
A hard shell or protective covering, especially found on the back of certain animals like turtles and crustaceans.
The turtle withdrew into its carapax for safety.
Carapax comes from Latin 'carapax' (meaning shell or hard covering). The word refers to the hard protective shell of certain animals, particularly turtles and crustaceans.
Think of a 'hard covering' — that's what a carapax is, a protective shell for animals.