The definition of heart is the organ that controls the flow of blood in the body, or the center of human emotion.(noun)
To heart something is defined as to love it.(verb)
An example of to heart is to care about a person named John and say “I heart John.”
See heart in Webster's New World College Dictionary
Origin: ME herte < OE heorte, akin to Ger herz < IE base *erd-, ṙd-, heart > L cor, (gen. cordis), Gr kardia, OIr cride, Serb sr̈ce
See heart in American Heritage Dictionary 4
Origin: Middle English hert
Origin: , from Old English heorte; see kerd- in Indo-European roots.
heartA. superior vena cava B. pulmonary artery C. left atrium D. left ventricle E. right ventricle F. inferior vena cava G. right atrium H. aorta
See heart in Ologies
an abnormal fear of angina pectoris.
any abnormality in the rhythm of the heartbeat. —arrhythmic, arhythmic, arythmic, arrythmic, adj.
a burning or other painful feeling in the stomach or esophagus; heartburn.
Medicine. the specialty that treats the heart and the blood vessels.
Medicine. the surgical puncture or incision of the heart. Also called cardiopuncture.
the branch of medical science that studies the forces and motions involved in the heart’s actions.
Medicine. a pain in the heart.
Medical Science, the study of the development of the heart in the embryo.
an instrument to record the action of the heart. —cardiographer, n. —cardiographic, adj.
Medicine. the technique of graphically recording some physical or functional features of heart action.
an agent that stimulates action of the heart.
Medicine. the study of the heart and its functions. —cardiologist, n. —cardiologic, cardiological, adj.
Medicine. a disease causing a softening of the muscle of the heart.
Medicine. an abnormal enlargement of the heart.
Medicine. a general term designating the early stages of diseases of heart muscles.
Medicine. a heart disease caused by malaria and marked by increases in heart rhythm and doubled beating.
any disease or disorder of the heart. —cardiopath, n. —cardiopathic, adj.
an abnormal fear of heart disease.
Medicine. the restoration of proper heart rhythm by electrical shock.
an inflamed condition of the heart.
the condition of having a single (monocrotism), double (dicrotism), etc., heartbeat.
the rhythmic dilatation of the heart during which the muscle relaxes and the chambers fill with blood. Cf. systole. —diastolic, adj.
the condition of having a doublé heartbeat. —dicrotic, adj.
an inflamed condition of the endocardium, the membrane that lines heart chambers.
an even pulsebeat. —eurhythmic, adj.
the uncontrolled twitching of the muscular fibrils, especially of the cardiac muscles.
a condition in which a localized area of muscular tissue is dying or dead owing to insufficient supply of blood, as occurs in a heart attack.
the condition of having a single heartbeat. —monocrotic, adj.
an inflamed condition of the muscular walls of the heart.
1. rapid and irregular beating of the heart.
2. a trembling of the body, as from fear or anxiety.
an inflamed condition of the pericardium, the membrane that surrounds the heart.
the rhythmic contraction of the heart, and especially of the ventricles, following each dilatation. Cf. diastole. —systolic, adj.
abnormally rapid beating of the heart.
the condition of having three arterial beats for every one heartbeat, as in certain pulses. —tricrotic, adj.
inflammation of a cardiac valve, usually caused by syphilis or rheumatic fever.
Learn more about heart