bloc / block [blɒk]
bloc – n. – a combination of nations, parties, groups or people formed to promote a particular purpose
block – n. – 1. a solid hewn or unhewn piece of hard material, esp. stone, ice or wood; 2. a rectangular building unit; 3. the central part of a car’s engine; v. tr. – 1. obstruct (often followed by “up”); 2. restrict use or conversion of; 3. a region of a city or town consisting of the buildings or area at the intersection of four streets; 4. use a rectangular object for making or shaping; adj. – attrib. – treating as one unit