Definition of portages:
(n) :
An act of carrying, especially the carrying of a boat overland between two waterways.
(n) :
The route used for such carrying.
(v) :
(nautical, transitive) To carry a boat overland.
(n) :
A charge made for carrying something.
(n) :
Carrying capacity; tonnage.
(n) :
The wages paid to a sailor when in port, or for a voyage.