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- Dictionaryheart/härt/
noun
- 1. a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation. In vertebrates there may be up to four chambers (as in humans), with two atria and two ventricles. Similar
- 2. the central or innermost part of something: "right in the heart of the city" Similar Opposite
verb
- 1. like very much; love: informal "I totally heart this song"
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The meaning of HEART is a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood. How to use heart in a sentence.
Heart definition: a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers. See examples of HEART used in a sentence.
The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. [ 1 ] . The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. [ 2 ] .
used to refer to a person's character, or the place within a person where feelings or emotions are considered to come from: She has a good heart (= she is a kind person). heart leaps His heart leaped (= he suddenly felt very excited and happy) when the phone rang. See also. break someone's heart. broken heart. change of heart.
Sep 25, 2024 · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.
HEART meaning: 1. the organ in your chest that sends the blood around your body: 2. used to refer to a person's…. Learn more.
Jan 26, 2024 · Overview. Your heart is a muscular organ that pumps blood to your body. What is the heart? The heart is a fist-sized organ that pumps blood throughout your body. It’s your circulatory system ’s main organ. Muscle and tissue make up this powerhouse organ. Your heart contains four muscular sections (chambers) that briefly hold blood before moving it.
Definition of heart noun from the Oxford Advanced Learner's Dictionary. heart. noun. /hɑːt/ /hɑːrt/ Idioms. part of body. [countable] the organ in the chest that sends blood around the body, usually on the left in humans. The patient's heart stopped beating for a few seconds.
the centre of something: Her office is in the heart of Tokyo. the heart of sth. B1. the most important part of something: We need to get to the heart of the matter. heart noun (FEELINGS) B1. someone's deepest feelings and true character: She has a kind heart. heart noun (SHAPE) a shape that is used to mean love. hearts.
noun. 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” synonyms: pump, ticker. see more. types: athlete's heart. enlarged heart commonly found among athletes trained for endurance. biauriculate heart.
