1) Enlarged heart 2) Megacardia 3) Megalocardia 4) Symptom 1) Megacardia 2) Megalocardia 
Cardiomegaly is a medical condition wherein the heart is enlarged. ==Classification== ===Dilation or hypertrophy=== Cardiac dilation is where mainly one or more cardiac chambers is enlarged, while cardiac hypertrophy is where mainly cardiac muscle is enlarged. ===By location=== ==Associations== ...
(cardio- + Gr. megas large) cardiac hypertrophy.
<cardiology, clinical sign> Cardiac hypertrophy. ... Origin: Gr. Megas = large ... (18 Nov 1997) ... 
(kahr″de-o-meg´ә-le) abnormal enlargement of the heart from either hypertrophy or dilatation.
Enlargement of the heart.
Type: Term Pronunciation: kar′dē-ō-meg′ă-lē Definitions: 1. Enlargement of the heart. Synonyms: macrocardia, megacardia, megalocardia
[n] - an abnormal enlargement of the heart
a condition marked by enlargement of the heart, either because of a thickened heart muscle or an enlarged heart chamber; usually a result of the heart having to work harder than normal, as occurs with high blood pressure 
megalocardia noun an abnormal enlargement of the heart; `mild cardiomegaly is common in athletes`
An enlarged heart. It is usually a sign of an underlying problem, such as high blood pressure, heart valve problems, or cardiomyopathy.
[Difficult words] an abnormal enlargement of the heart[Obscure words] an abnormal enlargement of the heart