acromegaly n 1: enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor) [syn: {acromegaly}, {acromegalia}]
Acromegaly \Ac`ro*meg"a*ly\ ([a^]k`r[-o]*m[e^]g"[.a]*l[y^]), n. [NL. acromegalia, fr. Gr. 'a`kron point, peak + me`gas, mega`loy, big.] (Med.) Chronic enlargement of many bones of the skeleton, especially bones of hands, feet and face; the condition is due to excessive secretion of growth hormone. [1913 Webster + AS]