take (one's) temperature
To measure one's internal body temperature. You're forehead feels pretty warm to me; let me take your temperature and see if you're running a fever.
take someone's temperature
to measure a person's body temperature with a thermometer. I took my temperature and I found that I am running a fever. The nurse took my temperature and said I was okay.
take somebody’s ˈtemperature
measure the heat of somebody’s body, using a thermometer: The nurse took my temperature; it was 38°.