creek in SE Pa. & N Del.: site of a battle (1777) of the Revolutionary War, in which Washington's army failed to check the British advance on Philadelphia
See Brandywine in American Heritage Dictionary 4
(brănˈdē-wīnˌ)
A creek of southeast Pennsylvania and northern Delaware. It was the site of a major defeat of the Continental Army on September 11, 1777, thus allowing British troops to enter Philadelphia on September 27.