- A furious attack made by troops on a fortified place,
in which ladders are used to pass a ditch or mount a rampart. - To mount and pass or enter by means of ladders; to
scale; as, to escalate a wall.
Meaning of 'escalade' (Princeton's WordNet)
1 . escalade
[ v]
Meaning (1): - climb up and over
Example in sentence:
They had to escalade canyons to reach their destination