Definition of groupment in US English:

groupment

noun

  • 1Generally. A group.

  • 2US Military. A group of military units.

  • 3Arrangement in a group or groups; grouping.

Origin

Mid 19th century; earliest use found in The Ladies' Companion. From group + -ment.

Pronunciation

groupment

/ˈɡruːpm(ə)nt/