|a vast region of Russia and N Kazakhstan: extends from the Ural Mountains to the Pacific and from the Arctic Ocean to the borders with China and Mongolia; colonized after the building of the Trans-Siberian Railway. Area: 13 807 037 sq km (5 330 896 sq miles)|
|a chattering or flighty, light-headed person.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
Note: Known for its vast space, long and severely cold winters, and few inhabitants widely scattered in small settlements, Siberia has been for many centuries a place of political and criminal exile for Russians who anger the government's authorities.