Ericsson, John Syllabification: (Er·ics·son, John)Pronunciation: /ˈeriksən/Definition of Ericsson, John (1803–89), Swedish engineer whose inventions included the marine screw propeller (1836) and a steam railroad locomotive that rivaled George Stephenson’s Rocket. Ericsson, John in other Oxford dictionaries Definition of Ericsson, John in the British & World English dictionary