grouping
n. C / U B2 Upper Intermediate US //ˈɡɹupɪŋ// UK //ɡɹˈuːpɪŋ// group·ing
n. a set of people or things that are put together because they are similar in some way.
n. a set of associated people or things that have been categorised together based on shared characteristics.
The teacher organized the students into a small grouping for the project.
The museum curator decided on a chronological grouping for the new art exhibition.
The political analyst noted that the current grouping of independent voters could decide the outcome of the upcoming election if they remain unified on economic issues.
Usage
Countable when referring to specific sets; uncountable when referring to the act of arranging things into sets.