(cardiology) An acute myocardial infarction, sometimes fatal, caused by the sudden occurrence of coronary thrombosis, which obstructs the blood supply to the heart and leads to necrosis of heart muscle tissue.

Alternative form of tenderhearted

Alternative form of heartrending

(cardiology, pathology) The chronic inability of the heart to pump a sufficient amount of blood throughout the body, leading to a pooling of blood and shortness of breath.

Alternative form of halfhearted

Any of several species of bird in the genus Gallicolumba of the pigeon family, native to the Philippines, characterised by a red patch on the plumage of the breast.

Overly sympathetic to the plight of the underprivileged or exploited.

Lamprocapnos spectabilis (formerly Dicentra spectabilis), a popular garden plant with arching sprays of pendent red and white (or pure white) flowers.

Alternative spelling of lighthearted

A feeling of grief or loss, especially after a failed romantic relationship.