heart definition
heart noun
(a hollow muscular organ that pumps blood through your body): Regular exercise is good for your heart.
(courage, determination, enthusiasm): You’re doing great; don’t lose heart now.
(opinion, belief, decision): He had a change of heart.
(the place where emotions are felt): Don’t let your heart rule your head.
(the innermost or central part): We live in the heart of the city.
(the most important part): We must get to the heart of the matter.
(a shape used as a symbol of love): I think this heart-shaped necklace is special.
heart definition, envocabulary.com