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.
2. Bunker Hill, June 1775. This costly British victory helped shape the early course of the war by proving that intimidating force alone would not bring about victory. It also proved that there was no going back: the war would be a long one with no immediate diplomatic solution.