Submitted NameRevisions Save Gender Masculine Usage Theatre Pronounced Pron. mər-KYOO-shee-o [key] Edit Status Status [show contributorshide contributors] Added 8/1/2007 by VictoriaCalledTori Edited 4/5/2019 by SeaHorse15 Meaning & History Derivative of MERCURY used by Shakespeare in his tragedy 'Romeo and Juliet' (1596), where it belongs to a close friend of Romeo.