adjective: Of a freight ship or oil tanker: exceeding the maximum dimensions of all major canals (Panama, Suez, etc.), therefore having to use one of the Cape routes to pass from ocean to ocean.
adjective: Alternative letter-case form of Capesize [Of a freight ship or oil tanker: exceeding the maximum dimensions of all major canals (Panama, Suez, etc.), therefore having to use one of the Cape routes to pass from ocean to ocean.]