frottoir

== English == === Etymology === French === Noun === frottoir (plural frottoirs) Synonym of rubboard. ==== Derived terms ==== frottoirist vest frottoir == French == === Etymology === From frotter +‎ -oir. === Pronunciation === IPA(key): /fʀɔ.twaʀ/ (Louisiana) === Noun === frottoir m (plural frottoirs) friction strip (on a box of matches) brush (Louisiana) rubboard (a percussion instrument made of a washboard) === Further reading === “frottoir”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012