Noun | 1. | ![]() vital sign - sign of life; usually an indicator of a person's general physical condition; "he was still alive but his vital signs were weak" femoral pulse - pulse of the femoral artery (felt in the groin) radial pulse - pulse of the radial artery (felt in the wrist) rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected" |