Des ‧ de ‧ mo ‧ na /ˌdezdəˈməʊnə, ˌdezdɪˈməʊnə/ BrE AmE
the main female character in the play ↑ Othello by William ↑ Shakespeare . She is Othello's wife, and Othello kills her because his enemy, Iago, makes him believe that she is having a sexual relationship with another man, although she is not.