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Dictionary definition: heart
- Article from:
- The Oxford Pocket Dictionary of Current English
Copyright© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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heart
/
härt
/
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n.
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.
∎
the region of the chest above the heart:
holding hand on heart for the Pledge of Allegiance.
∎
the heart regarded as the center of a person's thoughts and emotions, esp. love or compassion:
hardening his heart, he ignored her entreaties
he poured out his heart to me
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he has no heart.
∎
one's mood or feeling:
they had a change of heart.
∎
courage or ...