The Collaborative International Dictionary
Aggrouping
Aggroup \Ag*group"\, v. t. [imp. & p. p. Aggrouped; p. pr. &
vb. n. Aggrouping.] [F. agrouper; [`a] (L. ad) + groupe
group. See Group..]
To bring together in a group; to group.
--Dryden.
Wiktionary
aggrouping
vb. (present participle of aggroup English)