Bianca (Othello)

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Bianca is a character in William Shakespeare's Othello, whose name is Italian for 'white'. She is the mistress of Michael Cassio, but is used by Shakespeare as more than just that. She is used for the comparison of jealousy. She becomes jealous after Cassio gives her a handkerchief, and this rational, normal jealousy is compared against Othello's brutal, murderous, revenge seeking jealousy. Also, in the eavesdropping scene, Iago jokes with Cassio about Bianca, but Othello thinks they're talking about Desdemona, sending him into a furious rage.