a technique in the visual arts of obtaining textural effects or images by rubbing lead, chalk, charcoal, etc., over paper laid on a granular or relieflike surface. Compare rubbing(def. 2).
2.
a work of art containing shapes and textures produced by frottage.
3.
the practice of getting sexual stimulation and satisfaction by rubbing against something, especially another person.
Origin: 1930–35; < French, equivalent to frott(er) to rub (of uncertain origin) + -age-age