1 at heart | Definition of at heart

heart

noun
\ ˈhärt How to pronounce heart (audio) \

Definition of heart

 (Entry 1 of 3)

1a : a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood could feel her heart pounding
b : a structure in an invertebrate animal functionally analogous to the vertebrate heart
c : breast, bosom placed his hand on his heart
d : something resembling a heart in shape specifically : a stylized representation of a heart a card decorated with hearts and flowers
2a : a playing card marked with a stylized figure of a red heart
b hearts plural : the suit comprising cards marked with hearts the five of hearts
c hearts plural in form but singular or plural in construction : a game in which the object is to avoid taking tricks (see trick entry 1 sense 4) containing hearts
3a : personality, disposition a cold heart
b obsolete : intellect
4 : the emotional or moral nature as distinguished from the intellectual nature: such as
a : generous disposition : compassion a leader with heart
b : love, affection won her heart
c : courage or enthusiasm especially when maintained during a diffiicult situation never lost heart
5 : one's innermost character, feelings, or inclinations knew it in his heart a man after my own heart
6a : the central or innermost part : center a cabin in the heart of the forest
b : the essential or most vital part of something the heart of the city get to the heart of the matter
c : the younger central compact part of a leafy rosette (such as a head of lettuce or stalk of celery)
at heart
: in essence : basically, essentially a romantic at heart
by heart
: by rote or from memory knows the poem by heart
to heart
: with deep concern took the criticism to heart