Definition of "grouping" []

• The act or process of uniting into groups. (noun)
• A collection of people or things united into a group. (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.

• "That two groups should necessarily live up to the same standards when the grouping is the basis for the standards."
• "They are all poets with distinct voices and the mix of such a grouping is always wonderful to hear."
• "Then, I drop back 10 or 15%, load up a fair test, usually 10rnds. shoot three shot groups, on several days to see if the grouping is consistent enough for the purpose for which the load and rifle is intended."