Real Dictionary

Oedipus complex
singular noun: If a boy or man has an Oedipus complex, he feels sexual desire for his mother and has hostile feelings towards his father.

Oedipus complex in American English
the unconscious tendency of a child to be attached to the parent of the opposite sex and hostile toward the other parent: its persistence in adult life results in neurotic disorders: orig. restricted to a son's attachment
noun: the unresolved desire of a child for sexual gratification through the parent of the opposite sex, esp. the desire of a son for his mother. This involves, first, identification with and, later, hatred for the parent of the same sex, who is considered by th

Oedipus complex in British English
noun: a group of emotions, usually unconscious, involving the desire of a child, esp a male child, to possess sexually the parent of the opposite sex while excluding the parent of the same sex