Noun

• S: (n) shield (a protective covering or structure)
• S: (n) shield, buckler (armor carried on the arm to intercept blows)
• direct hyponym / full hyponym
• S: (n) escutcheon, scutcheon (a shield; especially one displaying a coat of arms)
• S: (n) pavis, pavise ((Middle Ages) a large heavy oblong shield protecting the whole body; originally carried but sometimes set up in permanent position)
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) carapace, shell, cuticle, shield (hard outer covering or case of certain organisms such as arthropods and turtles)

Verb

• S: (v) shield, screen (protect, hide, or conceal from danger or harm)
• S: (v) harbor, harbour, shield (hold back a thought or feeling about) "She is harboring a grudge against him"