heat shield. n. A barrier that prevents the heating of a space or an object by absorbing, reflecting, or dissipating external heat, especially a protective structure on a spacecraft or missile that dissipates heat on atmospheric reentry by melting and vaporizing. heat shield. n.
The Battle of Bunker Hill started when the colonists learned about the British plan to occupy Dorchester Heights. The colonists were understandably shaken by this news. They thought of this as the last straw, and they had to protect their land and freedom.
General Howeâs first major battles against his American counterpart, General George Washington, including the Battle of Bunker Hill, came during the Patriot siege of Boston. They proved to be disappointing failures that resulted in a British retreat from Boston in March 1776.