n.
A nonmalignant enlargement of the prostate gland commonly occurring in men after the age of 50, and sometimes leading to compression of the urethra and obstruction of the flow of urine.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
