To be assigned or to accept the blame for some misdeed; as, Mary broke the vase, but she acted innocent and young Johnny had to take the heat.  [PJC]

 To withstand high temperature; as, the new radios can take the heat of a black car parked in the sun in Death Valley.  [PJC]

 To endure stressful conditions, expecially without signs of difficulty or complaint; as, if you can't take the heat, stay out of the kitchen,  [PJC]