Definition of: group

(grp) noun
1. A number of persons, animals, or things existing or brought together; an assemblage; cluster.
2. In painting or sculpture, an assemblage of figures or objects affording a harmonious unit or design.
3. A number of plants or animals classed together because of certain common characteristics.
4. In the U.S. Air Force, a tactical, maintenance, medical, or administrative subdivision of a wing.
5. In the U.S. Army or Marine Corps, a tactical unit consisting of two or more battalions.
6. Chem. a A number of connected atoms constituting a part of a molecule: the hydroxyl group (OH), b A set of elements having similar properties, as in the periodic table.
7. Geol. A rock system of highest rank, corresponding with an era in the time scale.
8. An ethnological or linguistic division ranking below a branch.
—v.t. & v.i To gather or form into a group or groups. [<F groupe <Ital. groppo knot, lump <Gmc]