acromegaly

ac·ro·meg·a·ly

noun \ˌak-rō-ˈmeg-ə-lē\

plural ac·ro·meg·a·lies

Definition of ACROMEGALY

: a disorder that is caused by chronic overproduction of growth hormone by the pituitary gland and is characterized by a gradual and permanent enlargement of the flat bones (as the lower jaw) and of the hands and feet, abdominal organs, nose, lips, and tongue and that develops after ossification is complete—compare gigantism