SE adjective 2noun 10forms 1 adjective2 •a short written form of "southeast", used on maps and signs •Initialism of single ended. noun10 •Abbreviation of southeast. •Initialism of sound effect. •Initialism of special edition. •Initialism of second edition. •Initialism of software engineering. •Initialism of standard edition. •Abbreviation of Sergipe: a state of Brazil. •Initialism of secondary electron. •Initialism of sustainer engine. •Initialism of STM European. formsSEs