argument

'ARGUMENT, noun [Latin argumentum.] 1. A reason offered for or against a proposition, opinion, or measure; a reason offered in proof, to induce belief, or convince the mind; followed by for or against. 2. In logic, an inference drawn from premises, which are indisputable, or at least of probable truth. 3. The subject of a discourse or writing. 4. An abstract or summary of a book, or the heads of the subjects. 5. A debate or discussion; a series of reasoning; as, an argument was had before the court, in which argument all the reasons were urged. 6. In astronomy, an arch by which we seek another unknown arch, proportional to the first.