Meanings
nounheart muscle (plural heart muscles)
plural heart muscles
- Synonym of cardiac muscle.
Synonyms: cardiac muscle
Synonyms & antonyms
nounSynonym of cardiac muscle.
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More synonyms by meaning
nounthe muscle tissue of the heart; adapted to continued rhythmic contraction
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Broader
musclemuscular tissue
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
heart muscle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/heart%20muscle
MLA
“heart muscle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heart%20muscle. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “heart muscle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/heart%20muscle.
Source: heart muscle on Wiktionary, CC BY-SA 4.0.