1. (noun)heart, bosom the locus of feelings and intuitions
"in your heart you know it is true"; "her story would melt your bosom"
2. (noun)heart, pump, ticker 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"
3. (noun)heart, mettle, nerve, spunk the courage to carry on
"he kept fighting on pure spunk"; "you haven't got the heart for baseball"
4. (noun)center, centre, middle, heart, eye 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"
5. (noun)kernel, substance, core, center, centre, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty 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"
6. (noun)heart, spirit an inclination or tendency of a certain kind "he had a change of heart"
7. (noun)heart a planefigure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playingcards and valentines
"he drew a heart and called it a valentine"
8. (noun)heart a firm rather dry varietymeat (usually beef or veal)
"a five-pound beef heart will serve six"
9. (noun)affection, affectionateness, fondness, tenderness, heart, warmness, warmheartedness, philia a positivefeeling 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"
10. (noun)heart a playingcard in the majorsuit that has one or more red hearts on it
"he led the queen of hearts"; "hearts were trumps"