COX-2 inhibitor

[kŏkstōō]
n.
  1. Any of a class of nonsteroidal anti-inflammatory drugs that cause fewer gastrointestinal side effects by selective inhibition of prostaglandin formation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.