carapace /karˈə-pās/

1. The thick hard shell, made of bone or chitin, of the crab, tortoise, turtle, etc
2. A layer of heat-resistant tiles on a spacecraft
3. An inpenetrable outer shell, eg a reserved manner used as a protection against outside influences

• theca
• thecae
• thecal
• the Cape
• the cap fits
• the cardinal virtues
• the case
• thecate
• the cat's got your tongue
• the cat's pyjamas
• the cat's whiskers
• the Chalk
• the chances are
• the change
• the Channel
• the cherry on the cake
• the chickens have come home to roost
• the chosen few
• the chosen people
• Thecla
• the clean potato
• the cloven hoof
• the coast is clear
• the Cockney School
• thecodont