group > define

noun

• Any number of entities (members) considered as a unit.
  • synonyms: grouping
• Chemistry) two or more atoms bound together as a single unit and forming part of a molecule.
  • synonyms: radical, chemical group
• A set that is closed, associative, has an identity element and every element has an inverse.
  • synonyms: mathematical group

verb

• Arrange into a group or groups.
  • usage: "Can you group these shapes together"
• Form a group or group together.
  • synonyms: aggroup

• (n.) A variously limited assemblage of animals or plants, having some resemblance or common characteristics in form or structure. The term has different uses, and may be made to include certain species of a genus or a whole genus or certain genera or even several orders.
• (n.) A number of eighth, sixteenth, etc., notes joined at the stems; -- sometimes rather indefinitely applied to any ornament made up of a few short notes.
• (n.) A cluster, crowd or throng; an assemblage, either of persons or things, collected without any regular form or arrangement; as, a group of men or of trees; a group of isles.
• (n.) To form a group of; to arrange or combine in a group or in groups, often with reference to mutual relation and the best effect; to form an assemblage of.
• (n.) An assemblage of objects in a certain order or relation or having some resemblance or common characteristic; as, groups of strata.

GROUP is a number of individual companies assembled together; often having some unifying relationship.