Secondary Lookout 2 : (1) A lookout supplementing a primary lookout and covering blind areas, especially used during times of high hazard or poor visibility. (2) The person who occupies such a station
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}