trench-plough

== English == === Alternative forms === trench-plow === Verb === trench-plough (third-person singular simple present trench-ploughs, present participle trench-ploughing, simple past and past participle trench-ploughed) (transitive) To plough with deep furrows, for the purpose of loosening the land to a greater depth than usual. === Noun === trench-plough (plural trench-ploughs) (agriculture) A plough for turning up the land more deeply than usual.