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1. Any number of entities (members) considered as a unit
   - grouping
    
2. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
   - radical, chemical group
    
3. A set that is closed, associative, has an identity element and every element has an inverse
   - mathematical group
    
4. (astronomy) a small number (up to about fifty) of galaxies that are near each other

1. Arrange into a group or groups
   "Can you group these shapes together?"
    
2. Form a group or group together
   - aggroup

Derived forms: grouped, grouping, groups

Type of: abstract entity, abstraction, assemble, assort, building block, class, classify, foregather, forgather, gather, meet, separate, set, sort, sort out, unit

Part of: molecule

Encyclopedia: Group