heart in WordNet English dictionary

1. a positive feeling of liking
   "he had trouble expressing the affection he felt"; "the child won everyone's heart"; "the warmness of his welcome made us feel right at home"
   affection  affectionateness  fondness  tenderness  heart  warmness  warmheartedness  philia 
   
2. the locus of feelings and intuitions
   "in your heart you know it is true"; "her story would melt your bosom"
   heart  bosom 
   
3. the choicest or most essential or most vital part of some idea or experience
   "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
   kernel  substance  core  center  centre  essence  gist  heart  heart and soul  inwardness  marrow  meat  nub  pith  sum  nitty-gritty 
   
4. an 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"
   center  centre  middle  heart  eye 
   
5. a playing card in the major suit that has one or more red hearts on it
   "he led the queen of hearts"; "hearts were trumps"
   heart 
   
6. the courage to carry on
   "he kept fighting on pure spunk"; "you haven't got the heart for baseball"
   heart  mettle  nerve  spunk 
   
7. an inclination or tendency of a certain kind
   "he had a change of heart"
   heart  spirit 
   
8. the 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"
   heart  pump  ticker 
   
9. a firm rather dry variety meat (usually beef or veal)
   "a five-pound beef heart will serve six"
   heart 
   
10. a 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"
    heart