1. the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
2. the somatic sensation of cold or heat
3. Constitution; state; degree of any quality.
4. The degree of heat of the body of a living being, esp. of the human body; also (Colloq.), loosely, the excess of this over the normal (of the human body 98°-99.5° F., in the mouth of an adult about 98.4°).