1. a group of dinner guests; a group of buildings near the road. 2. Two or more figures that make up a unit or design, as in sculpture. 3. a small group of supporters across the country. 4. A category of related languages that is less inclusive than a family. 5. A military unit consisting of two or more battalions and a headquarters. 6. A unit of two or more squadrons in the U.S. Air Force, smaller than a wing. 7. A class or collection of related objects or entities, as: 8. Two or more atoms behaving or regarded as behaving as a single chemical unit. 9. A column in the periodic table of the elements. 10. A stratigraphic unit, especially a unit consisting of two or more formations deposited during a single geologic era. 11. A set with an associative binary operation under which the set is closed, which contains an identity element and an inverse for every element in the set. 12. a group discussion; a group effort. 13. grouped the children according to height. 14. The soldiers began to group on the hillside.
