English Etymology From still + house. Noun stillhouse (plural stillhouses) A distillery. 1909, Roger R. Shiel, Early to Bed and Early to Rise: Twenty Years in Hell with the Beef Trust:He had fifteen to twenty years ago, and up to the time of his death, practically control of all the slop of all the stillhouses in the United States.Wikiwand - on Seamless Wikipedia browsing. On steroids.