burg I. \ˈbərg\noun (-s) Etymology: Old English burg, burh — more at borough 1.: an ancient or medieval fortress or walled town 2. a.: city, town < mushroomed … into a booming burg of 36,000 — Newsweek > b.: a village typically unimportant and out of the way < little mountain burgs not down on the map — Boston Sunday Herald > II. abbreviation 1. burgess 2. burgomaster