specifically: a stylized representation of a heart
a card decorated with hearts and flowers
2
a
: 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 trickentry 1 sense 4) containing hearts
Noun
I could feel my heart pounding.
He has a bad heart.
He put his hand on his heart.
When she heard the news, her heart filled with joy.
She just couldn't find it in her heart to forgive them.
I felt in my heart that our relationship was never meant to be.
a ruler without a heartHave a heart! Can't you see he needs help?
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Noun
Brands should take the importance of sustainability measures to heart and weave their commitment to the environment into their messaging—but with care.—Megan Poinski, Forbes.com, 2 July 2025 All three forms—fiction, poetry, and essay—feel present in this sweeping reflection from a troubled heart.—Literary Hub
july 1, Literary Hub, 1 July 2025 This season goes even deeper—there’s more grit, more heart, and a lot more on the line.—Abigail Lee, Variety, 1 July 2025 There are no current recommendations to use black currants to treat any conditions, but the berries are loaded with vitamin C and other antioxidants that some research suggests may ease joint pain and support your immune system, heart, and eye health.—Chelsea Rae Bourgeois, Health, 1 July 2025 See All Example Sentences for heart
Word History
Etymology
Noun and Verb
Middle English hert, from Old English heorte; akin to Old High German herza heart, Latin cord-, cor, Greek kardia
First Known Use
Noun
before the 12th century, in the meaning defined at sense 1a
Verb
before the 12th century, in the meaning defined at sense 2
Time Traveler
The first known use of heart was
before the 12th century
: a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood and that in the human adult is about five inches (13 centimeters) long and three and one half inches (9 centimeters) broad, is of conical form, is placed obliquely in the chest with the broad end upward and to the right and the apex opposite the interval between the cartilages of the fifth and sixth ribs on the left side, is enclosed in a serous pericardium, and consists as in other mammals and in birds of four chambers divided into an upper pair of rather thin-walled atria which receive blood from the veins and a lower pair of thick-walled ventricles into which the blood is forced and which in turn pump it into the arteries
2
: a structure in an invertebrate animal functionally analogous to the vertebrate heart
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