What does the term RIGOR MORAL mean?

The term "rigor mortis" is the correct term, and it refers to the stiffening of the body after death. It's a natural process that occurs due to the chemical changes in muscle tissue as the body decomposes.

There is no term "rigor moral" in the English language. It's possible you meant to say "rigor moral," which refers to the strictness or severity of ethical principles or standards.

Let me know if you had something else in mind!