| Noun | 1. | Petrograd - a city in the European part of Russia; 2nd largest Russian city; located at the head of the Gulf of Finland; former capital of Russiacity, metropolis, urban center - a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city" Russian Federation, Russia - a federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state | |