definition of gown by the Free Online Dictionary, Thesaurus and Encyclopedia. (Clothing & Fashion) a free wide garment indicating status, such as worn by simply academics gown (ga?n) we gowned v. A New long, usually formal dress for a woman. gown Ă‚ (goun) Past Perfect Continuous Present Continuous you would gown he/she/it will possibly be gowning v.intr. I will gown Future Continuous I had gowned they gowned I gowned [C14: coming from Outdated French goune, coming from Late Latin gunna garment created of leather as well as fur, associated with Celtic origin] 5. The robe or perhaps smock worn in operating rooms and other areas of hospitals like a guard against contamination.