pitched battle vs Bunker Hill

pitched battle and Bunker Hill both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
Bunker Hill	Yes	No	No	No

pitched battle (noun)	Bunker Hill (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	the first important battle of the American War of Independence (1775) which was fought at Breed's Hill; the British defeated the colonial forces