Main entry: carapace, shell, shield, cuticle
Definition: hard outer covering or case of certain organisms such as arthropods and turtles
Definition: armor carried on the arm to intercept blows
Main entry: shield
Definition: a protective covering or structure
Definition: protect, hide, or conceal from danger or harm
Main entry: shield, harbor, harbour
Definition: hold back a thought or feeling about
Usage: She is harboring a grudge against him