Question

what do you mean by temper

Answer 1

a persons state of mind seen in terms of their being angry or calm

Answer 2

The temper root keeps its basic meaning—"to mix" or "to keep within limits"—in the English word temper. When you temper something, you mix it with some balancing quality or substance so as to avoid anything extreme. Thus, it's often said that a judge must temperjustice with mercy.