from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A ladder that can be extended to reach high places, especially one mounted on a fire engine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a ladder that can be mechanically extended, used for fire trucks
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. mechanically extendible ladder; used on a fire truck
aerial + ladder (Wiktionary)