cardialgy UK /ˈkɑː(ɹ).diˌal.dʒi/US /ˈkɑːɹ.diˌæl.d͡ʒi/ noun1 •(no longer used) Heartburn.These oysters, taken in excess, lead to sickness; this Burgundy, after a few stages, to red noses; these truffles, with the appurtenances, to dropsy, cardialgy [Magenkrampf] and similar complaints. — 1825 formscardialgies