tower wagon

[ tou-er ]
/ ˈtaʊ ər /

noun

a trailer carrying an extensible ladder for use in firefighting, photography, repairing overhead wires, trimming trees, etc.Compare cherry picker(def 2).

Origin of tower wagon

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019