From Middle English herte, from Old English heorte (“heart”), from Proto-Germanic *hertô (“heart”), from Proto-Indo-European *ḱḗr (“heart”). Cognate with Saterland Frisian Haat, West Frisian hert, Dutch hart, German Low German Hart, German Herz, Icelandic hjarta, Latin cor, cordis, Ancient Greek καρδία (kardía), Sanskrit हृद् (hṛ́d), Welsh craidd, Irish croí, Armenian սիրտ (sirt), Russian се́рдце (sérdce), and Lithuanian širdis.
heart (countable and uncountable, plural hearts)
- (anatomy) A muscular organ that pumps blood through the body, traditionally thought to be the seat of emotion.
- (uncountable) Emotions, kindness, moral effort, or spirit in general.
- The seat of the affections or sensibilities, collectively or separately, as love, hate, joy, grief, courage, etc.; rarely, the seat of the understanding or will; usually in a good sense; personality.
- Courage; courageous purpose; spirit.
- Vigorous and efficient activity; power of fertile production; condition of the soil, whether good or bad.
- (archaic) A term of affectionate or kindly and familiar address.
- Personality, disposition.
- (figuratively) A wight or being.
- A conventional shape or symbol used to represent the heart, love, or emotion: ♥ or sometimes <3.
- A playing card of the suit hearts featuring one or more heart-shaped symbols.
- (cartomancy) The twenty-fourth Lenormand card.
- The centre, essence, or core.
heart (third-person singular simple present hearts, present participle hearting, simple past and past participle hearted)
- (transitive, humorous, informal, chiefly Internet slang) To be fond of. Often bracketed or abbreviated with a heart symbol.
- (transitive, obsolete) To give heart to; to hearten; to encourage.
- (transitive, masonry) To fill an interior with rubble, as a wall or a breakwater.
- (intransitive, agriculture, botany) To form a dense cluster of leaves, a heart, especially of lettuce or cabbage.