AREA OF CARDIAC DULLNESS as NOUN

1. Meaning
   • a triangular area of the front of the chest (determined by percussion)
   • corresponds to the part of the heart not covered by the lungs
   Hypernyms(s) area of cardiac dullness is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • area (what does area mean?)
   • region (what does region mean?)