Meaning: A coral reef off the southern coast of Florida. Classified under: Nouns denoting natural objects (not man-made) Synonyms: cay; Florida key; key. Hypernyms (cay is a kind of...): coral reef (a reef consisting of coral consolidated into limestone) Holonyms (cay is a part of...):
Causes. Fever occurs when an area in your brain called the hypothalamus (hi-poe-THAL-uh-muhs) â also known as your body's thermostat â shifts the set point of your normal body temperature upward.
Fever is considered a temperature above 100.4 degrees F (38 degrees C). A feverish sensation, however, may occur when the body temperature is above the average normal of 98.6 degrees F. (37 degrees C).Fever is part of the body's own disease-fighting arsenal.Rising body temperatures apparently are capable of killing off many disease-producing organisms. feverish sensation, however, may occur when the body temperature is above the average normal of 98.6 degrees F. (37 degrees C). Fever is part of the body's own disease-fighting arsenal. Rising body temperatures apparently are capable of killing off many disease-producing organisms.