Block 02 : (1) The housing holding the pulley or pulleys over which the rope or chain passes in lifting tackle. See also: Block and Tackle. (2) A rectangular area bounded by streets. (3) A group of adjacent buildings
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}