[suhn-strohk] 
| a sudden and sometimes fatal affection due to exposure to the sun's rays or to excessive heat, marked by prostration with or without fever, convulsion, and coma. |
| sun·stroke (sŭn'strōk') n. Heat stroke caused by exposure to the sun and characterized by a rise in temperature, convulsions, and coma. Also called insolation, siriasis. |
sunstroke or sun stroke
n.
Heatstroke that results from undue exposure to the sun's rays and is marked by prostration and collapse, but not by fever.
