International Association of Geodesy
International Association of Geomagnetism and Aeronomy
Illinois Academy of General Dentistry
International Association for Great Lakes Research
[ee-ah-goh] /iˈɑ goʊ/ noun 1. the villain in Shakespeare’s Othello. Iago [(ee-ah-goh)] The treacherous villain in the play Othello, by William Shakespeare. As adviser to Othello, a general of Venice, Iago lies to his master and eventually drives him to murder his wife.