Wiktionary
scaling ladder
n. A ladder for the purpose of scale#Etymology 1 the walls of a besieged fortification.
WordNet
scaling ladder
n. a ladder used to scale the walls in an attack
Usage examples of "scaling ladder".
Each pair carried a single rubber-covered titanium alloy scaling ladder.
Arutha helped two soldiers push away another scaling ladder, then stared in momentary confusion as one of the men slowly turned and sat at his feet, surprise on his face as he looked down at the Tsurani bowshaft in his chest.
One-handed, Thrain/Ivald seized the top of the nearest scaling ladder.
A scaling ladder slammed against the wall near Erik and he realized that Greylock had hedged his bet by getting men close under cover of darkness.
She unrolled a scaling ladder and hooked it to the edge of the wall.