• (n.) Money charged or paid for the carriage of burdens or parcels by a porter. • (n.) The work of a porter; the occupation of a carrier or of a doorkeeper. Found on http://thinkexist.com/dictionary/meaning/porterage/
Por'ter·age noun 1. The work of a porter; the occupation of a carrier or of a doorkeeper. 2. Money charged or paid for the carriage of burdens or parcels by a porter. Found on http://www.encyclo.co.uk/webster/P/131