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tribadism - definition of tribadism in English | Oxford Dictionaries

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a lesbian practice in which one partner lies on top of th... Meaning, pronunciation, example sentences, and more from Oxford Dictionaries.

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Tribadism | Define Tribadism at Dictionary.com

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1811, with -ism + tribade (n.), c.1600, "a lesbian," from French tribade (16c.) or directly from Latin tribas, from Greek tribas, from tribein "to rub," from PIE root *ter-  ...