Definition of "steroid" [steroid]

• Any of numerous naturally occurring or synthetic fat-soluble organic compounds having as a basis 17 carbon atoms arranged in four rings and including the sterols and bile acids, adrenal and sex hormones, certain natural drugs such as digitalis compounds, and the precursors of certain vitamins. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I wonder if it's too late for baseball, and if any attempt to reign in steroid use is just a fragile and temporary solution."
• "Safety and efficacy of ISIS 2303 in steroid-dependent Crohn's disease"
• "My question is why the hell is the gov't getting involved in steroid use?"