Loosening
131Trench-plow — Trench plough Trench plough ( plou ), v. t. To plow with deep furrows, for the purpose of loosening the land to a greater depth than usual. [1913 Webster] …
132Twilly — Twil ly, n. [C. {Willy}.] A machine for cleansing or loosening wool by the action of a revolving cylinder covered with long iron spikes or teeth; a willy or willying machine; called also {twilly devil}, and {devil}. See {Devil}, n., 6, and… …