(n)heart, pump, tickerthe hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body“he stood still, his heart thumping wildly”
(n)center, centre, middle, heart, eyean area that is approximately central within some larger region“it is in the center of town”, “they ran forward into the heart of the struggle”, “they were in the eye of the storm”
(n)hearta plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines“he drew a heart and called it a valentine”