Толковый словарь английского языка Oxford English Reference - portage

n. & v. --n. 1 the carrying of boats or goods between two navigable waters. 2 a place at which this is necessary. 3 a the act or an instance of carrying or transporting. b the cost of this. --v.tr. convey (a boat or goods) between navigable waters. Etymology: ME f. OF f. porter: see PORT(5) PORTAKABIN n. propr. a portable room or building designed for quick assembly. Etymology: PORTABLE + CABIN