heart

noun:the muscular organ in the chest that pumps blood through the circulatory system
- The surgeon performed a successful operation on the patient's heart.
noun:the central or innermost part of something
- They traveled to the heart of the ancient forest.
noun:feelings of love, affection, or deep emotion
- She felt her heart swell with joy when she saw the surprise.
noun:the emotional or moral nature
- She has a kind heart and is always helping others.
noun:courage or enthusiasm
- The team played with a lot of heart, even though they were losing.
noun:a conventional shape representing a heart, often used as a symbol of love
- He drew a heart in the sand.