Hoist 1 : (1) To raise an object, as by a rope or halyard. (2) The raising mechanism of an aerial ladder, as a "spring hoist," "air hoist," or "hydraulic hoist"
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}