n. (Abbr. CO)
One who on the basis of religious or moral principles refuses to bear arms or participate in military service.
conscientious objection conscientious objection n.
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.