Definitions:
an industrial city in south-eastern michigan, north of detroit; population 133,939 (est. 2008).

an industrial city in north-eastern ohio, on the river mahoning; population 43,789 (est. 2008).

american family of physicians. joseph warren (1741–75), a patriot active in the events leading up to the american revolution, was killed at the battle of bunker hill. his brother john warren (1753–1815) was a leading medical practitioner in new england and a surgeon in the american revolution. john collins warren (1778–1856), the son of john warren, helped to found massachusetts general hospital in 1811.

a network of interconnecting rabbit burrows.