Noun
a division of a prison (usually consisting of several cells)
Source: WordNetPolicing is one of those jobs that will always revolve around a meatspace hub, if only because you can't build a cellblock in cyberspace. Charles Stross
Afghan Awal Gul, 48, collapsed and died in one cellblock after working out on an elliptical machine Feb. 2, 2011. Source: Internet
At night, be sure to stay on high alert as guards patrol the cellblock. Source: Internet