noun
: a device for facilitating escape from a burning building: as
a. : a stairway usually of steel attached to the outside of a building
b. Britain : a wheeled extension ladder
noun
: a device for facilitating escape from a burning building: as
a. : a stairway usually of steel attached to the outside of a building
b. Britain : a wheeled extension ladder
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012