The first pitched battle (1775) of the War of American Independence (actually fought on Breed's Hill near Boston, Massachusetts). Although the British won, the good performance of the untrained Americans gave considerable impetus to the Revolution.
Definition of Bunker Hill in US English:
Bunker Hill
proper nounˌbəNGkər ˈhil
A hill in the Charlestown section of northern Boston in Massachusetts. It gave its name to the first pitched battle (1775) of the American Revolution, which was actually fought on nearby Breed's Hill. Although the British won, the good performance of the untrained Americans gave considerable impetus to the Revolution.