noun

1. in certain states of the U.S., a self-governing, incorporated town
2. the basic unit of local government in Alaska (in full organized borough): the unincorporated area of the state, governed by the legislature, is called the unorganized borough
3. any of the five administrative units of New York City
4. in England
   1. a town with a municipal corporation and rights to self-government granted by royal charter
   2. a town that sends one or more representatives to Parliament
   3. Obsolete any fortified town larger than a village

Etymology: ME burgh < OE burg, burh, town, fortified place, akin to Ger burg < IE *bhgh, fortified elevation < base *bhereĝh-, high > barrow