Noun
1. a fact or assertion offered as evidence that something is true;
"it was a strong argument that his hypothesis was true"2. a contentious speech act; a dispute where there is strong disagreement;
"they were involved in a violent argument"3. a discussion in which reasons are advanced for and against some proposition or proposal;
"the argument over foreign aid goes on and on"4. a summary of the subject or plot of a literary work or play or movie;
"the editor added the argument to the poem"5. a variable in a logical or mathematical expression whose value determines the dependent variable; if f(x)=y, x is the independent variable