Ladder Nesting 1 : A procedure in which ladders of different sizes are placed partially within one another on an apparatus to reduce the amount of storage space required
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}