Definition of "tribadism" []

• Lesbianism. (noun)
• Specifically, a form of lesbian intercourse involving the rubbing together of two partners' vulvae. (noun)

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• "A gallery of illustrations of lesbian frottage, which the hentai encyclopaedia assures us is properly known as tribadism; …"
• "Mutual contact and friction of the sexual parts seem to be comparatively rare, but it seems to have been common in antiquity, for we owe to it the term "tribadism" which is sometimes used as a synonym of feminine homosexuality, and this method is said to be practised today by the southern Slav women of the Balkans. ["
• "The word mesolelot is understood by later commentators to refer to the practice of tribadism (women rubbing genitals against each other)."