RIGOR
1 none. Feeling of cold with shivering and a rise in temperature, preceding a fever etc. [latin rigeo be stiff]
1 none. Feeling of cold with shivering and a rise in temperature, preceding a fever etc. [latin rigeo be stiff]
2 none. (brit. Rigour) 1 a severity, strictness, harshness. B (in plural.) Harsh measures or conditions. 2 logical exactitude. 3 strict enforcement of rules etc. (utmost rigour of the law). 4 austerity of life. [latin: related to *rigor1]