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 difficult 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

heart

verb
hearted; hearting; hearts

Definition of heart (Entry 2 of 3)

transitive verb

1 informal
a : love entry 2 Jane hearts John. I loathe beer. But I heart beer commercials …— Rochell D. Thomas
b : to like (see like entry 1 sense 4) an online post, comment, etc., especially by clicking or tapping a heart-shaped symbol The tweet still hits home so much, not just for us, but for the 2.6 million that hearted her tweet too.The Edge (Auckland, New Zealand)
2 archaic : hearten
3 archaic : to fix in the heart

Heart

geographical name
\ ˈhärt How to pronounce Heart (audio) \

Definition of Heart (Entry 3 of 3)

river in southwestern North Dakota flowing 200 miles (320 kilometers) east into the Missouri River opposite Bismarck

Illustration of heart

Illustration of heart

Noun

heart 1a: 1 aorta, 2 pulmonary artery, 3 left atrium, 4 left ventricle, 5 right ventricle, 6 right atrium

In the meaning defined above

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Examples of heart in a Sentence

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 heart Have a heart! Can't you see he needs help?
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Recent Examples on the Web: Noun But the song never gets old and will never not slap the hardest when a stupid ex breaks your heart. Glamour, "53 Best ’90s Songs That Are All That and a Bag of Chips," 31 Mar. 2020 My heart is with the families of the wounded and the women and men of the Department. NBC News, "Phoenix police commander killed, 2 others wounded in shooting," 29 Mar. 2020 No difference in heart rate, lactate, or perceived exertion. Alex Hutchinson, Outside Online, "Your Warm-Up Doesn’t Matter as Much as You Think," 28 Mar. 2020 Business sense is clearly at the heart of Netflix’s Africa expansion strategy. Ciku Kimeria, Quartz Africa, "Netflix’s big bet on Africa kicks off with Queen Sono and a Nollywood push," 28 Mar. 2020 At the heart of their campaign is a skepticism over the advice offered by experts and a willingness to accept a certain number of deaths to incur fewer economic costs. Katie Shepherd, BostonGlobe.com, "Conservatives push Trump to end social distancing, citing a conspiracy of the left to impose its agenda," 26 Mar. 2020 Temperature and resting heart rate often rise slightly. Erin Brodwin, STAT, "‘We’re racing against the clock:’ Researchers test wearables as an early warning system for Covid-19," 26 Mar. 2020 Clock resting heart rate at a hundred and twenty-eight beats per minute. Claire Friedman, The New Yorker, "Daily Coronavirus Quarantine Schedule," 24 Mar. 2020 Since people with heart conditions are at higher risk of severe COVID-19, that is a concern, says David Smith, an infectious disease physician at the University of California, San Diego. Jon Cohen, Science | AAAS, "WHO launches global megatrial of the four most promising coronavirus treatments," 22 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heart.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heart

Noun

before the 12th century, in the meaning defined at sense 1a

Verb

before the 12th century, in the meaning defined at sense 2

History and Etymology for heart

Noun and Verb

Middle English hert, from Old English heorte; akin to Old High German herza heart, Latin cord-, cor, Greek kardia

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Time Traveler for heart

Time Traveler

The first known use of heart was before the 12th century

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Statistics for heart

Last Updated

3 Apr 2020

Cite this Entry

“Heart.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart. Accessed 6 Apr. 2020.

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More Definitions for heart

heart

noun
How to pronounce Heart (audio)

English Language Learners Definition of heart

: the organ in your chest that pumps blood through your veins and arteries
: the front part of your chest
: the heart thought of as the place where emotions are felt

heart

noun
\ ˈhärt How to pronounce heart (audio) \

Kids Definition of heart

1 : a hollow muscular organ of the body that expands and contracts to move blood through the arteries and veins
2 : something shaped like a heart a Valentine's heart
3 : a part near the center or deep into the interior They reached the heart of the desert.
4 : the most essential part That's the heart of the problem.
5 : human feelings Speak from your heart.
6 : courage or enthusiasm I don't have the heart to tell them what happened.
by heart
: so as to be able to repeat from memory I think I'm going to learn his new phone number by heart.— Paula Danziger, Amber Brown

heart

noun
\ ˈhärt How to pronounce heart (audio) \

Medical Definition of heart

1 : 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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More from Merriam-Webster on heart

Thesaurus: All synonyms and antonyms for heart

Rhyming Dictionary: Words that rhyme with heart

Spanish Central: Translation of heart

Nglish: Translation of heart for Spanish Speakers

Britannica English: Translation of heart for Arabic Speakers

Britannica.com: Encyclopedia article about heart

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