by heart

B b

Transcription

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [bahy hahrt]
- /baɪ hɑrt/
- /baɪ hɑːt/

- US Pronunciation
- US IPA
- [bahy hahrt]
- /baɪ hɑrt/

Definitions of by heart words

phrase by heart If you know something such as a poem by heart, you have learned it so well that you can remember it without having to read it. 3
noun by heart by committing to memory 3
noun by heart by or from memorization 3
noun by heart Anatomy. 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: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body. 1
noun by heart Zoology. the homologous structure in other vertebrates, consisting of four chambers in mammals and birds and three chambers in reptiles and amphibians. the analogous contractile structure in invertebrate animals, as the tubular heart of the spider and earthworm. 1
noun by heart the center of the total personality, especially with reference to intuition, feeling, or emotion: In your heart you know I'm an honest man. 1

See all 50 definitions of by heart

Information block about the term

Origin of by heart

First appearance:

before 900

One of the 4% oldest English words

before 900; Middle English herte, Old English heorte; cognate with Dutch hart, German Herz, Old Norse hjarta, Gothic hairtō; akin to Latin cor (see cordial, courage), Greek kardía (see cardio-); def 19, from the use of the stylized heart symbol to represent love

Historical Comparancy

Parts of speech for By heart

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of By heart

by heart popularity

A common word. It’s meaning is known to most children of preschool age. About 100% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

by heart usage trend in Literature

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